diff --git a/_static/jquery.js b/_static/jquery.js
index 83589da..3883779 100644
--- a/_static/jquery.js
+++ b/_static/jquery.js
@@ -1,2 +1,2 @@
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\ No newline at end of file
diff --git a/_static/pygments.css b/_static/pygments.css
index d79caa1..8213e90 100644
--- a/_static/pygments.css
+++ b/_static/pygments.css
@@ -4,8 +4,10 @@
 .highlight .err { border: 1px solid #FF0000 } /* Error */
 .highlight .k { color: #007020; font-weight: bold } /* Keyword */
 .highlight .o { color: #666666 } /* Operator */
+.highlight .ch { color: #408090; font-style: italic } /* Comment.Hashbang */
 .highlight .cm { color: #408090; font-style: italic } /* Comment.Multiline */
 .highlight .cp { color: #007020 } /* Comment.Preproc */
+.highlight .cpf { color: #408090; font-style: italic } /* Comment.PreprocFile */
 .highlight .c1 { color: #408090; font-style: italic } /* Comment.Single */
 .highlight .cs { color: #408090; background-color: #fff0f0 } /* Comment.Special */
 .highlight .gd { color: #A00000 } /* Generic.Deleted */
@@ -40,6 +42,7 @@
 .highlight .nv { color: #bb60d5 } /* Name.Variable */
 .highlight .ow { color: #007020; font-weight: bold } /* Operator.Word */
 .highlight .w { color: #bbbbbb } /* Text.Whitespace */
+.highlight .mb { color: #208050 } /* Literal.Number.Bin */
 .highlight .mf { color: #208050 } /* Literal.Number.Float */
 .highlight .mh { color: #208050 } /* Literal.Number.Hex */
 .highlight .mi { color: #208050 } /* Literal.Number.Integer */
diff --git a/api.entry.html b/api.entry.html
index d7c5114..27d1168 100644
--- a/api.entry.html
+++ b/api.entry.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>feedgen.entry &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>feedgen.entry &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -23,14 +23,14 @@
     <script type="text/javascript" src="_static/jquery.js"></script>
     <script type="text/javascript" src="_static/underscore.js"></script>
     <script type="text/javascript" src="_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="index.html" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="index.html" />
     <link rel="up" title="API Documentation" href="api.html" />
     <link rel="next" title="feedgen.util" href="api.util.html" />
     <link rel="prev" title="feedgen.feed" href="api.feed.html" /> 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>feedgen.entry</span></h2>
       </div>
       <div class="topnav">
@@ -47,7 +47,8 @@
       <div class="content">
         
         
-  <div class="apititle"><b>Contents</b></div>
+  <script type=application/javascript src=_static/theme_extras.js></script>
+<div class="apititle"><b>Contents</b></div>
 <div class="apitoc"></div><span class="target" id="module-feedgen.entry"></span><div class="section" id="feedgen-entry">
 <h1>feedgen.entry<a class="headerlink" href="#feedgen-entry" title="Permalink to this headline">¶</a></h1>
 <table class="docutils field-list" frame="void" rules="none">
@@ -98,14 +99,14 @@ for RSS.</p>
 </tbody>
 </table>
 <p>Example:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">author</span><span class="p">(</span> <span class="p">{</span> <span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s">&#39;email&#39;</span><span class="p">:</span><span class="s">&#39;jdoe@example.com&#39;</span> <span class="p">}</span> <span class="p">)</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">author</span><span class="p">(</span> <span class="p">{</span> <span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s1">&#39;email&#39;</span><span class="p">:</span><span class="s1">&#39;jdoe@example.com&#39;</span> <span class="p">}</span> <span class="p">)</span>
 <span class="go">[{&#39;name&#39;:&#39;John Doe&#39;,&#39;email&#39;:&#39;jdoe@example.com&#39;}]</span>
 
-<span class="gp">&gt;&gt;&gt; </span><span class="n">author</span><span class="p">([{</span><span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;Mr. X&#39;</span><span class="p">},{</span><span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;Max&#39;</span><span class="p">}])</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">author</span><span class="p">([{</span><span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;Mr. X&#39;</span><span class="p">},{</span><span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;Max&#39;</span><span class="p">}])</span>
 <span class="go">[{&#39;name&#39;:&#39;John Doe&#39;,&#39;email&#39;:&#39;jdoe@example.com&#39;},</span>
 <span class="go">        {&#39;name&#39;:&#39;John Doe&#39;}, {&#39;name&#39;:&#39;Max&#39;}]</span>
 
-<span class="gp">&gt;&gt;&gt; </span><span class="n">author</span><span class="p">(</span> <span class="n">name</span><span class="o">=</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span> <span class="n">email</span><span class="o">=</span><span class="s">&#39;jdoe@example.com&#39;</span><span class="p">,</span> <span class="n">replace</span><span class="o">=</span><span class="bp">True</span> <span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">author</span><span class="p">(</span> <span class="n">name</span><span class="o">=</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span> <span class="n">email</span><span class="o">=</span><span class="s1">&#39;jdoe@example.com&#39;</span><span class="p">,</span> <span class="n">replace</span><span class="o">=</span><span class="bp">True</span> <span class="p">)</span>
 <span class="go">[{&#39;name&#39;:&#39;John Doe&#39;,&#39;email&#39;:&#39;jdoe@example.com&#39;}]</span>
 </pre></div>
 </div>
@@ -410,6 +411,26 @@ include timezone information.</p>
 </table>
 </dd></dl>
 
+<dl class="method">
+<dt id="feedgen.entry.FeedEntry.register_extension">
+<tt class="descname">register_extension</tt><big>(</big><em>namespace</em>, <em>extension_class_entry=None</em>, <em>atom=True</em>, <em>rss=True</em><big>)</big><a class="headerlink" href="#feedgen.entry.FeedEntry.register_extension" title="Permalink to this definition">¶</a></dt>
+<dd><p>Register a specific extension by classes to a namespace.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
+<li><strong>namespace</strong> &#8211; namespace for the extension</li>
+<li><strong>extension_class_entry</strong> &#8211; Class of the entry extension to load.</li>
+<li><strong>atom</strong> &#8211; If the extension should be used for ATOM feeds.</li>
+<li><strong>rss</strong> &#8211; If the extension should be used for RSS feeds.</li>
+</ul>
+</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
 <dl class="method">
 <dt id="feedgen.entry.FeedEntry.rights">
 <tt class="descname">rights</tt><big>(</big><em>rights=None</em><big>)</big><a class="headerlink" href="#feedgen.entry.FeedEntry.rights" title="Permalink to this definition">¶</a></dt>
@@ -531,8 +552,8 @@ include timezone information.</p>
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/api.feed.html b/api.feed.html
index af71c29..2615f9a 100644
--- a/api.feed.html
+++ b/api.feed.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>feedgen.feed &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>feedgen.feed &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -23,14 +23,14 @@
     <script type="text/javascript" src="_static/jquery.js"></script>
     <script type="text/javascript" src="_static/underscore.js"></script>
     <script type="text/javascript" src="_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="index.html" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="index.html" />
     <link rel="up" title="API Documentation" href="api.html" />
     <link rel="next" title="feedgen.entry" href="api.entry.html" />
     <link rel="prev" title="API Documentation" href="api.html" /> 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>feedgen.feed</span></h2>
       </div>
       <div class="topnav">
@@ -47,7 +47,8 @@
       <div class="content">
         
         
-  <div class="apititle"><b>Contents</b></div>
+  <script type=application/javascript src=_static/theme_extras.js></script>
+<div class="apititle"><b>Contents</b></div>
 <div class="apitoc"></div><span class="target" id="module-feedgen.feed"></span><div class="section" id="feedgen-feed">
 <h1>feedgen.feed<a class="headerlink" href="#feedgen-feed" title="Permalink to this headline">¶</a></h1>
 <table class="docutils field-list" frame="void" rules="none">
@@ -81,7 +82,7 @@ the prefered way to add new entries to a feed.</p>
 </tbody>
 </table>
 <p>Example:</p>
-<div class="highlight-python"><div class="highlight"><pre>...
+<div class="highlight-python"><div class="highlight"><pre><span></span>...
 &gt;&gt;&gt; entry = feedgen.add_entry()
 &gt;&gt;&gt; entry.title(&#39;First feed entry&#39;)
 </pre></div>
@@ -98,7 +99,7 @@ another name for add_entry(...)</p>
 
 <dl class="method">
 <dt id="feedgen.feed.FeedGenerator.atom_file">
-<tt class="descname">atom_file</tt><big>(</big><em>filename</em>, <em>extensions=True</em>, <em>pretty=False</em>, <em>encoding='UTF-8'</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.atom_file" title="Permalink to this definition">¶</a></dt>
+<tt class="descname">atom_file</tt><big>(</big><em>filename</em>, <em>extensions=True</em>, <em>pretty=False</em>, <em>encoding='UTF-8'</em>, <em>xml_declaration=True</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.atom_file" title="Permalink to this definition">¶</a></dt>
 <dd><p>Generates an ATOM feed and write the resulting XML to a file.</p>
 <table class="docutils field-list" frame="void" rules="none">
 <col class="field-name" />
@@ -108,6 +109,11 @@ another name for add_entry(...)</p>
 <li><strong>filename</strong> &#8211; Name of file to write, or a file-like object, or a URL.</li>
 <li><strong>extensions</strong> &#8211; Enable or disable the loaded extensions for the xml
 generation (default: enabled).</li>
+<li><strong>pretty</strong> &#8211; If the feed should be split into multiple lines and
+properly indented.</li>
+<li><strong>encoding</strong> &#8211; Encoding used in the  XML file (default: UTF-8).</li>
+<li><strong>xml_declaration</strong> &#8211; If an XML declaration should be added to the
+output (Default: enabled).</li>
 </ul>
 </td>
 </tr>
@@ -117,7 +123,7 @@ generation (default: enabled).</li>
 
 <dl class="method">
 <dt id="feedgen.feed.FeedGenerator.atom_str">
-<tt class="descname">atom_str</tt><big>(</big><em>pretty=False</em>, <em>extensions=True</em>, <em>encoding='unicode'</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.atom_str" title="Permalink to this definition">¶</a></dt>
+<tt class="descname">atom_str</tt><big>(</big><em>pretty=False</em>, <em>extensions=True</em>, <em>encoding='UTF-8'</em>, <em>xml_declaration=True</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.atom_str" title="Permalink to this definition">¶</a></dt>
 <dd><p>Generates an ATOM feed and returns the feed XML as string.</p>
 <table class="docutils field-list" frame="void" rules="none">
 <col class="field-name" />
@@ -128,6 +134,9 @@ generation (default: enabled).</li>
 properly indented.</li>
 <li><strong>extensions</strong> &#8211; Enable or disable the loaded extensions for the xml
 generation (default: enabled).</li>
+<li><strong>encoding</strong> &#8211; Encoding used in the  XML file (default: UTF-8).</li>
+<li><strong>xml_declaration</strong> &#8211; If an XML declaration should be added to the
+output (Default: enabled).</li>
 </ul>
 </td>
 </tr>
@@ -136,6 +145,9 @@ generation (default: enabled).</li>
 </tr>
 </tbody>
 </table>
+<p><strong>Return type:</strong> The return type may vary between different Python
+versions and your encoding parameters passed to this method. For details
+have a look at the <a class="reference external" href="https://docs.python.org/3/library/xml.etree.elementtree.html#xml.etree.ElementTree.tostring">lxml documentation</a></p>
 </dd></dl>
 
 <dl class="method">
@@ -172,14 +184,14 @@ for RSS.</p>
 </tbody>
 </table>
 <p>Example:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">feedgen</span><span class="o">.</span><span class="n">author</span><span class="p">(</span> <span class="p">{</span> <span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s">&#39;email&#39;</span><span class="p">:</span><span class="s">&#39;jdoe@example.com&#39;</span> <span class="p">}</span> <span class="p">)</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">feedgen</span><span class="o">.</span><span class="n">author</span><span class="p">(</span> <span class="p">{</span> <span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s1">&#39;email&#39;</span><span class="p">:</span><span class="s1">&#39;jdoe@example.com&#39;</span> <span class="p">}</span> <span class="p">)</span>
 <span class="go">[{&#39;name&#39;:&#39;John Doe&#39;,&#39;email&#39;:&#39;jdoe@example.com&#39;}]</span>
 
-<span class="gp">&gt;&gt;&gt; </span><span class="n">feedgen</span><span class="o">.</span><span class="n">author</span><span class="p">([{</span><span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;Mr. X&#39;</span><span class="p">},{</span><span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;Max&#39;</span><span class="p">}])</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">feedgen</span><span class="o">.</span><span class="n">author</span><span class="p">([{</span><span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;Mr. X&#39;</span><span class="p">},{</span><span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;Max&#39;</span><span class="p">}])</span>
 <span class="go">[{&#39;name&#39;:&#39;John Doe&#39;,&#39;email&#39;:&#39;jdoe@example.com&#39;},</span>
 <span class="go">        {&#39;name&#39;:&#39;John Doe&#39;}, {&#39;name&#39;:&#39;Max&#39;}]</span>
 
-<span class="gp">&gt;&gt;&gt; </span><span class="n">feedgen</span><span class="o">.</span><span class="n">author</span><span class="p">(</span> <span class="n">name</span><span class="o">=</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span> <span class="n">email</span><span class="o">=</span><span class="s">&#39;jdoe@example.com&#39;</span><span class="p">,</span> <span class="n">replace</span><span class="o">=</span><span class="bp">True</span> <span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">feedgen</span><span class="o">.</span><span class="n">author</span><span class="p">(</span> <span class="n">name</span><span class="o">=</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span> <span class="n">email</span><span class="o">=</span><span class="s1">&#39;jdoe@example.com&#39;</span><span class="p">,</span> <span class="n">replace</span><span class="o">=</span><span class="bp">True</span> <span class="p">)</span>
 <span class="go">[{&#39;name&#39;:&#39;John Doe&#39;,&#39;email&#39;:&#39;jdoe@example.com&#39;}]</span>
 </pre></div>
 </div>
@@ -493,10 +505,12 @@ include timezone information.</p>
 <tt class="descname">link</tt><big>(</big><em>link=None</em>, <em>replace=False</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.link" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get or set link data. An link element is a dict with the fields href,
 rel, type, hreflang, title, and length. Href is mandatory for ATOM.</p>
-<p>This method can be called with:
-- the fields of a link as keyword arguments
-- the fields of a link as a dictionary
-- a list of dictionaries containing the link fields</p>
+<p>This method can be called with:</p>
+<ul class="simple">
+<li>the fields of a link as keyword arguments</li>
+<li>the fields of a link as a dictionary</li>
+<li>a list of dictionaries containing the link fields</li>
+</ul>
 <p>A link has the following fields:</p>
 <ul>
 <li><p class="first"><em>href</em> is the URI of the referenced resource (typically a Web page)</p>
@@ -532,16 +546,19 @@ display purposes.</p>
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
 <li><strong>link</strong> &#8211; Dict or list of dicts with data.</li>
-<li><strong>replace</strong> &#8211; Add or replace old data.</li>
+<li><strong>replace</strong> &#8211; If old links are to be replaced (default: False)</li>
 </ul>
 </td>
 </tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">Current set of link data</p>
+</td>
+</tr>
 </tbody>
 </table>
 <p>Example:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">feedgen</span><span class="o">.</span><span class="n">link</span><span class="p">(</span> <span class="n">href</span><span class="o">=</span><span class="s">&#39;http://example.com/&#39;</span><span class="p">,</span> <span class="n">rel</span><span class="o">=</span><span class="s">&#39;self&#39;</span><span class="p">)</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">feedgen</span><span class="o">.</span><span class="n">link</span><span class="p">(</span> <span class="n">href</span><span class="o">=</span><span class="s1">&#39;http://example.com/&#39;</span><span class="p">,</span> <span class="n">rel</span><span class="o">=</span><span class="s1">&#39;self&#39;</span><span class="p">)</span>
 <span class="go">[{&#39;href&#39;:&#39;http://example.com/&#39;, &#39;rel&#39;:&#39;self&#39;}]</span>
 </pre></div>
 </div>
@@ -632,6 +649,27 @@ include timezone information.</p>
 value.</p>
 </dd></dl>
 
+<dl class="method">
+<dt id="feedgen.feed.FeedGenerator.register_extension">
+<tt class="descname">register_extension</tt><big>(</big><em>namespace</em>, <em>extension_class_feed=None</em>, <em>extension_class_entry=None</em>, <em>atom=True</em>, <em>rss=True</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.register_extension" title="Permalink to this definition">¶</a></dt>
+<dd><p>Registers an extension by class.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
+<li><strong>namespace</strong> &#8211; namespace for the extension</li>
+<li><strong>extension_class_feed</strong> &#8211; Class of the feed extension to load.</li>
+<li><strong>extension_class_entry</strong> &#8211; Class of the entry extension to load</li>
+<li><strong>atom</strong> &#8211; If the extension should be used for ATOM feeds.</li>
+<li><strong>rss</strong> &#8211; If the extension should be used for RSS feeds.</li>
+</ul>
+</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
 <dl class="method">
 <dt id="feedgen.feed.FeedGenerator.remove_entry">
 <tt class="descname">remove_entry</tt><big>(</big><em>entry</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.remove_entry" title="Permalink to this definition">¶</a></dt>
@@ -672,7 +710,7 @@ will also set rss:copyright.</p>
 
 <dl class="method">
 <dt id="feedgen.feed.FeedGenerator.rss_file">
-<tt class="descname">rss_file</tt><big>(</big><em>filename</em>, <em>extensions=True</em>, <em>pretty=False</em>, <em>encoding='UTF-8'</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.rss_file" title="Permalink to this definition">¶</a></dt>
+<tt class="descname">rss_file</tt><big>(</big><em>filename</em>, <em>extensions=True</em>, <em>pretty=False</em>, <em>encoding='UTF-8'</em>, <em>xml_declaration=True</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.rss_file" title="Permalink to this definition">¶</a></dt>
 <dd><p>Generates an RSS feed and write the resulting XML to a file.</p>
 <table class="docutils field-list" frame="void" rules="none">
 <col class="field-name" />
@@ -682,6 +720,11 @@ will also set rss:copyright.</p>
 <li><strong>filename</strong> &#8211; Name of file to write, or a file-like object, or a URL.</li>
 <li><strong>extensions</strong> &#8211; Enable or disable the loaded extensions for the xml
 generation (default: enabled).</li>
+<li><strong>pretty</strong> &#8211; If the feed should be split into multiple lines and
+properly indented.</li>
+<li><strong>encoding</strong> &#8211; Encoding used in the  XML file (default: UTF-8).</li>
+<li><strong>xml_declaration</strong> &#8211; If an XML declaration should be added to the
+output (Default: enabled).</li>
 </ul>
 </td>
 </tr>
@@ -691,7 +734,7 @@ generation (default: enabled).</li>
 
 <dl class="method">
 <dt id="feedgen.feed.FeedGenerator.rss_str">
-<tt class="descname">rss_str</tt><big>(</big><em>pretty=False</em>, <em>extensions=True</em>, <em>encoding='unicode'</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.rss_str" title="Permalink to this definition">¶</a></dt>
+<tt class="descname">rss_str</tt><big>(</big><em>pretty=False</em>, <em>extensions=True</em>, <em>encoding='UTF-8'</em>, <em>xml_declaration=True</em><big>)</big><a class="headerlink" href="#feedgen.feed.FeedGenerator.rss_str" title="Permalink to this definition">¶</a></dt>
 <dd><p>Generates an RSS feed and returns the feed XML as string.</p>
 <table class="docutils field-list" frame="void" rules="none">
 <col class="field-name" />
@@ -702,6 +745,9 @@ generation (default: enabled).</li>
 properly indented.</li>
 <li><strong>extensions</strong> &#8211; Enable or disable the loaded extensions for the xml
 generation (default: enabled).</li>
+<li><strong>encoding</strong> &#8211; Encoding used in the  XML file (default: UTF-8).</li>
+<li><strong>xml_declaration</strong> &#8211; If an XML declaration should be added to the
+output (Default: enabled).</li>
 </ul>
 </td>
 </tr>
@@ -710,6 +756,9 @@ generation (default: enabled).</li>
 </tr>
 </tbody>
 </table>
+<p><strong>Return type:</strong> The return type may vary between different Python
+versions and your encoding parameters passed to this method. For details
+have a look at the <a class="reference external" href="https://docs.python.org/3/library/xml.etree.elementtree.html#xml.etree.ElementTree.tostring">lxml documentation</a></p>
 </dd></dl>
 
 <dl class="method">
@@ -903,8 +952,8 @@ This is an RSS only value.</p>
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/api.html b/api.html
index 9da9480..e7d2c7b 100644
--- a/api.html
+++ b/api.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>API Documentation &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>API Documentation &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -23,13 +23,13 @@
     <script type="text/javascript" src="_static/jquery.js"></script>
     <script type="text/javascript" src="_static/underscore.js"></script>
     <script type="text/javascript" src="_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="index.html" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="index.html" />
     <link rel="next" title="feedgen.feed" href="api.feed.html" />
     <link rel="prev" title="Feedgenerator" href="index.html" /> 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>API Documentation</span></h2>
       </div>
       <div class="topnav">
@@ -67,16 +67,16 @@ produce Podcasts.</p>
 <h3>Create a Feed<a class="headerlink" href="#create-a-feed" title="Permalink to this headline">¶</a></h3>
 <p>To create a feed simply instanciate the FeedGenerator class and insert some
 data:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">feedgen.feed</span> <span class="kn">import</span> <span class="n">FeedGenerator</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">feedgen.feed</span> <span class="kn">import</span> <span class="n">FeedGenerator</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span> <span class="o">=</span> <span class="n">FeedGenerator</span><span class="p">()</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">id</span><span class="p">(</span><span class="s">&#39;http://lernfunk.de/media/654321&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s">&#39;Some Testfeed&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">author</span><span class="p">(</span> <span class="p">{</span><span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span><span class="s">&#39;email&#39;</span><span class="p">:</span><span class="s">&#39;john@example.de&#39;</span><span class="p">}</span> <span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">link</span><span class="p">(</span> <span class="n">href</span><span class="o">=</span><span class="s">&#39;http://example.com&#39;</span><span class="p">,</span> <span class="n">rel</span><span class="o">=</span><span class="s">&#39;alternate&#39;</span> <span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">logo</span><span class="p">(</span><span class="s">&#39;http://ex.com/logo.jpg&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">subtitle</span><span class="p">(</span><span class="s">&#39;This is a cool feed!&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">link</span><span class="p">(</span> <span class="n">href</span><span class="o">=</span><span class="s">&#39;http://larskiesow.de/test.atom&#39;</span><span class="p">,</span> <span class="n">rel</span><span class="o">=</span><span class="s">&#39;self&#39;</span> <span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">language</span><span class="p">(</span><span class="s">&#39;en&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">id</span><span class="p">(</span><span class="s1">&#39;http://lernfunk.de/media/654321&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s1">&#39;Some Testfeed&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">author</span><span class="p">(</span> <span class="p">{</span><span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span><span class="s1">&#39;email&#39;</span><span class="p">:</span><span class="s1">&#39;john@example.de&#39;</span><span class="p">}</span> <span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">link</span><span class="p">(</span> <span class="n">href</span><span class="o">=</span><span class="s1">&#39;http://example.com&#39;</span><span class="p">,</span> <span class="n">rel</span><span class="o">=</span><span class="s1">&#39;alternate&#39;</span> <span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">logo</span><span class="p">(</span><span class="s1">&#39;http://ex.com/logo.jpg&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">subtitle</span><span class="p">(</span><span class="s1">&#39;This is a cool feed!&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">link</span><span class="p">(</span> <span class="n">href</span><span class="o">=</span><span class="s1">&#39;http://larskiesow.de/test.atom&#39;</span><span class="p">,</span> <span class="n">rel</span><span class="o">=</span><span class="s1">&#39;self&#39;</span> <span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">language</span><span class="p">(</span><span class="s1">&#39;en&#39;</span><span class="p">)</span>
 </pre></div>
 </div>
 <p>Note that for the methods which set fields that can occur more than once in
@@ -87,19 +87,19 @@ a feed you can use all of the following ways to provide data:</p>
 <li>Provide a list of dictionaries with the data for several elements</li>
 </ul>
 <p>Example:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">(</span> <span class="n">name</span><span class="o">=</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span> <span class="n">email</span><span class="o">=</span><span class="s">&#39;jdoe@example.com&#39;</span> <span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">({</span><span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s">&#39;email&#39;</span><span class="p">:</span><span class="s">&#39;jdoe@example.com&#39;</span><span class="p">})</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">([{</span><span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s">&#39;email&#39;</span><span class="p">:</span><span class="s">&#39;jdoe@example.com&#39;</span><span class="p">},</span> <span class="o">...</span><span class="p">])</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">(</span> <span class="n">name</span><span class="o">=</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span> <span class="n">email</span><span class="o">=</span><span class="s1">&#39;jdoe@example.com&#39;</span> <span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">({</span><span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s1">&#39;email&#39;</span><span class="p">:</span><span class="s1">&#39;jdoe@example.com&#39;</span><span class="p">})</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">([{</span><span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s1">&#39;email&#39;</span><span class="p">:</span><span class="s1">&#39;jdoe@example.com&#39;</span><span class="p">},</span> <span class="o">...</span><span class="p">])</span>
 </pre></div>
 </div>
 </div>
 <div class="section" id="generate-the-feed">
 <h3>Generate the Feed<a class="headerlink" href="#generate-the-feed" title="Permalink to this headline">¶</a></h3>
 <p>After that you can generate both RSS or ATOM by calling the respective method:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">atomfeed</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">atom_str</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span> <span class="c"># Get the ATOM feed as string</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">rssfeed</span>  <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">rss_str</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span> <span class="c"># Get the RSS feed as string</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">atom_file</span><span class="p">(</span><span class="s">&#39;atom.xml&#39;</span><span class="p">)</span> <span class="c"># Write the ATOM feed to a file</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">rss_file</span><span class="p">(</span><span class="s">&#39;rss.xml&#39;</span><span class="p">)</span> <span class="c"># Write the RSS feed to a file</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">atomfeed</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">atom_str</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span> <span class="c1"># Get the ATOM feed as string</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">rssfeed</span>  <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">rss_str</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span> <span class="c1"># Get the RSS feed as string</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">atom_file</span><span class="p">(</span><span class="s1">&#39;atom.xml&#39;</span><span class="p">)</span> <span class="c1"># Write the ATOM feed to a file</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">rss_file</span><span class="p">(</span><span class="s1">&#39;rss.xml&#39;</span><span class="p">)</span> <span class="c1"># Write the RSS feed to a file</span>
 </pre></div>
 </div>
 </div>
@@ -109,9 +109,9 @@ a feed you can use all of the following ways to provide data:</p>
 and append them to the list of entries in the FeedGenerator. The most
 convenient way to go is to use the FeedGenerator itself for the
 instantiation of the FeedEntry object:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">add_entry</span><span class="p">()</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">id</span><span class="p">(</span><span class="s">&#39;http://lernfunk.de/media/654321/1&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s">&#39;The First Episode&#39;</span><span class="p">)</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">add_entry</span><span class="p">()</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">id</span><span class="p">(</span><span class="s1">&#39;http://lernfunk.de/media/654321/1&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s1">&#39;The First Episode&#39;</span><span class="p">)</span>
 </pre></div>
 </div>
 <p>The FeedGenerators method add_entry(...) without argument provides will
@@ -123,7 +123,7 @@ added.</p>
 <h3>Extensions<a class="headerlink" href="#extensions" title="Permalink to this headline">¶</a></h3>
 <p>The FeedGenerator supports extension to include additional data into the XML
 structure of the feeds. Extensions can be loaded like this:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">load_extension</span><span class="p">(</span><span class="s">&#39;someext&#39;</span><span class="p">,</span> <span class="n">atom</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span> <span class="n">rss</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">load_extension</span><span class="p">(</span><span class="s1">&#39;someext&#39;</span><span class="p">,</span> <span class="n">atom</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span> <span class="n">rss</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
 </pre></div>
 </div>
 <p>This will try to load the extension “someext” from the file
@@ -143,14 +143,14 @@ kinds of feeds.</p>
 <p>One extension already provided is the podcast extension. A podcast is an RSS
 feed with some additional elements for ITunes.</p>
 <p>To produce a podcast simply load the <cite>podcast</cite> extension:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">feedgen.feed</span> <span class="kn">import</span> <span class="n">FeedGenerator</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">feedgen.feed</span> <span class="kn">import</span> <span class="n">FeedGenerator</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span> <span class="o">=</span> <span class="n">FeedGenerator</span><span class="p">()</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">load_extension</span><span class="p">(</span><span class="s">&#39;podcast&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">load_extension</span><span class="p">(</span><span class="s1">&#39;podcast&#39;</span><span class="p">)</span>
 <span class="gp">...</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">podcast</span><span class="o">.</span><span class="n">itunes_category</span><span class="p">(</span><span class="s">&#39;Technology&#39;</span><span class="p">,</span> <span class="s">&#39;Podcasting&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">podcast</span><span class="o">.</span><span class="n">itunes_category</span><span class="p">(</span><span class="s1">&#39;Technology&#39;</span><span class="p">,</span> <span class="s1">&#39;Podcasting&#39;</span><span class="p">)</span>
 <span class="gp">...</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">rss_str</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">rss_file</span><span class="p">(</span><span class="s">&#39;podcast.xml&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">rss_file</span><span class="p">(</span><span class="s1">&#39;podcast.xml&#39;</span><span class="p">)</span>
 </pre></div>
 </div>
 <p>Of cause the extension has to be loaded for the FeedEntry objects as well
@@ -166,7 +166,7 @@ This can be done by calling the generating method with the keyword argument
 <div class="section" id="testing-the-generator">
 <h3>Testing the Generator<a class="headerlink" href="#testing-the-generator" title="Permalink to this headline">¶</a></h3>
 <p>You can test the module by simply executing:</p>
-<div class="highlight-python"><div class="highlight"><pre>$ python -m feedgen
+<div class="highlight-python"><div class="highlight"><pre><span></span>$ python -m feedgen
 </pre></div>
 </div>
 </div>
@@ -181,6 +181,7 @@ This can be done by calling the generating method with the keyword argument
 <li class="toctree-l1"><a class="reference internal" href="ext/api.ext.dc.html">feedgen.ext.dc</a></li>
 <li class="toctree-l1"><a class="reference internal" href="ext/api.ext.podcast.html">feedgen.ext.podcast</a></li>
 <li class="toctree-l1"><a class="reference internal" href="ext/api.ext.podcast_entry.html">feedgen.ext.podcast_entry</a></li>
+<li class="toctree-l1"><a class="reference internal" href="ext/api.ext.torrent.html">feedgen.ext.torrent</a></li>
 </ul>
 </div>
 </div>
@@ -200,8 +201,8 @@ This can be done by calling the generating method with the keyword argument
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/api.util.html b/api.util.html
index 9b1754f..78e3a9a 100644
--- a/api.util.html
+++ b/api.util.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>feedgen.util &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>feedgen.util &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -23,14 +23,14 @@
     <script type="text/javascript" src="_static/jquery.js"></script>
     <script type="text/javascript" src="_static/underscore.js"></script>
     <script type="text/javascript" src="_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="index.html" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="index.html" />
     <link rel="up" title="API Documentation" href="api.html" />
     <link rel="next" title="feedgen.ext.base" href="ext/api.ext.base.html" />
     <link rel="prev" title="feedgen.entry" href="api.entry.html" /> 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>feedgen.util</span></h2>
       </div>
       <div class="topnav">
@@ -47,7 +47,8 @@
       <div class="content">
         
         
-  <div class="apititle"><b>Contents</b></div>
+  <script type=application/javascript src=_static/theme_extras.js></script>
+<div class="apititle"><b>Contents</b></div>
 <div class="apitoc"></div><span class="target" id="module-feedgen.util"></span><div class="section" id="feedgen-util">
 <h1>feedgen.util<a class="headerlink" href="#feedgen-util" title="Permalink to this headline">¶</a></h1>
 <p>This file contains helper functions for the feed generator module.</p>
@@ -87,6 +88,12 @@ of a specific key are ok.</p>
 </table>
 </dd></dl>
 
+<dl class="function">
+<dt id="feedgen.util.formatRFC2822">
+<tt class="descclassname">feedgen.util.</tt><tt class="descname">formatRFC2822</tt><big>(</big><em>d</em><big>)</big><a class="headerlink" href="#feedgen.util.formatRFC2822" title="Permalink to this definition">¶</a></dt>
+<dd><p>Make sure the locale setting do not interfere with the time format.</p>
+</dd></dl>
+
 </div>
 
 
@@ -104,8 +111,8 @@ of a specific key are ok.</p>
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/ext/api.ext.base.html b/ext/api.ext.base.html
index 5a5fa3a..870ae3f 100644
--- a/ext/api.ext.base.html
+++ b/ext/api.ext.base.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>feedgen.ext.base &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>feedgen.ext.base &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="../_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -23,14 +23,14 @@
     <script type="text/javascript" src="../_static/jquery.js"></script>
     <script type="text/javascript" src="../_static/underscore.js"></script>
     <script type="text/javascript" src="../_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="../index.html" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="../index.html" />
     <link rel="up" title="API Documentation" href="../api.html" />
     <link rel="next" title="feedgen.ext.dc" href="api.ext.dc.html" />
     <link rel="prev" title="feedgen.util" href="../api.util.html" /> 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="../index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>feedgen.ext.base</span></h2>
       </div>
       <div class="topnav">
@@ -47,7 +47,8 @@
       <div class="content">
         
         
-  <div class="apititle"><b>Contents</b></div>
+  <script type=application/javascript src=_static/theme_extras.js></script>
+<div class="apititle"><b>Contents</b></div>
 <div class="apitoc"></div><span class="target" id="module-feedgen.ext.base"></span><div class="section" id="feedgen-ext-base">
 <h1>feedgen.ext.base<a class="headerlink" href="#feedgen-ext-base" title="Permalink to this headline">¶</a></h1>
 <p>Basic FeedGenerator extension which does nothing but provides all necessary
@@ -130,8 +131,8 @@ fields.</p>
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/ext/api.ext.dc.html b/ext/api.ext.dc.html
index 0f09480..296376a 100644
--- a/ext/api.ext.dc.html
+++ b/ext/api.ext.dc.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>feedgen.ext.dc &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>feedgen.ext.dc &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="../_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -23,14 +23,14 @@
     <script type="text/javascript" src="../_static/jquery.js"></script>
     <script type="text/javascript" src="../_static/underscore.js"></script>
     <script type="text/javascript" src="../_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="../index.html" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="../index.html" />
     <link rel="up" title="API Documentation" href="../api.html" />
     <link rel="next" title="feedgen.ext.podcast" href="api.ext.podcast.html" />
     <link rel="prev" title="feedgen.ext.base" href="api.ext.base.html" /> 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="../index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>feedgen.ext.dc</span></h2>
       </div>
       <div class="topnav">
@@ -47,7 +47,8 @@
       <div class="content">
         
         
-  <div class="apititle"><b>Contents</b></div>
+  <script type=application/javascript src=_static/theme_extras.js></script>
+<div class="apititle"><b>Contents</b></div>
 <div class="apitoc"></div><span class="target" id="module-feedgen.ext.dc"></span><div class="section" id="feedgen-ext-dc">
 <h1>feedgen.ext.dc<a class="headerlink" href="#feedgen-ext-dc" title="Permalink to this headline">¶</a></h1>
 <p>Extends the FeedGenerator to add Dubline Core Elements to the feeds.</p>
@@ -528,8 +529,8 @@ resource.</p>
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/ext/api.ext.podcast.html b/ext/api.ext.podcast.html
index fdb6dff..846b8fc 100644
--- a/ext/api.ext.podcast.html
+++ b/ext/api.ext.podcast.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>feedgen.ext.podcast &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>feedgen.ext.podcast &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="../_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -23,14 +23,14 @@
     <script type="text/javascript" src="../_static/jquery.js"></script>
     <script type="text/javascript" src="../_static/underscore.js"></script>
     <script type="text/javascript" src="../_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="../index.html" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="../index.html" />
     <link rel="up" title="API Documentation" href="../api.html" />
     <link rel="next" title="feedgen.ext.podcast_entry" href="api.ext.podcast_entry.html" />
     <link rel="prev" title="feedgen.ext.dc" href="api.ext.dc.html" /> 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="../index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>feedgen.ext.podcast</span></h2>
       </div>
       <div class="topnav">
@@ -47,7 +47,8 @@
       <div class="content">
         
         
-  <div class="apititle"><b>Contents</b></div>
+  <script type=application/javascript src=_static/theme_extras.js></script>
+<div class="apititle"><b>Contents</b></div>
 <div class="apitoc"></div><span class="target" id="module-feedgen.ext.podcast"></span><div class="section" id="feedgen-ext-podcast">
 <h1>feedgen.ext.podcast<a class="headerlink" href="#feedgen-ext-podcast" title="Permalink to this headline">¶</a></h1>
 <p>Extends the FeedGenerator to produce podcasts.</p>
@@ -117,26 +118,57 @@ podcast from appearing in the iTunes podcast directory.</p>
 
 <dl class="method">
 <dt id="feedgen.ext.podcast.PodcastExtension.itunes_category">
-<tt class="descname">itunes_category</tt><big>(</big><em>itunes_category=None</em>, <em>itunes_subcategory=None</em><big>)</big><a class="headerlink" href="#feedgen.ext.podcast.PodcastExtension.itunes_category" title="Permalink to this definition">¶</a></dt>
+<tt class="descname">itunes_category</tt><big>(</big><em>itunes_category=None</em>, <em>replace=False</em>, <em>**kwargs</em><big>)</big><a class="headerlink" href="#feedgen.ext.podcast.PodcastExtension.itunes_category" title="Permalink to this definition">¶</a></dt>
 <dd><p>Get or set the ITunes category which appears in the category column
 and in iTunes Store Browser.</p>
 <p>The (sub-)category has to be one from the values defined at
 <a class="reference external" href="http://www.apple.com/itunes/podcasts/specs.html#categories">http://www.apple.com/itunes/podcasts/specs.html#categories</a></p>
+<p>This method can be called with:</p>
+<ul class="simple">
+<li>the fields of an itunes_category as keyword arguments</li>
+<li>the fields of an itunes_category as a dictionary</li>
+<li>a list of dictionaries containing the itunes_category fields</li>
+</ul>
+<p>An itunes_category has the following fields:</p>
+<ul class="simple">
+<li><em>cat</em> name for a category.</li>
+<li><em>sub</em> name for a subcategory, child of category</li>
+</ul>
+<p>If a podcast has more than one subcategory from the same category, the
+category is called more than once.</p>
+<p>Likei the parameter:</p>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="p">[{</span><span class="s2">&quot;cat&quot;</span><span class="p">:</span><span class="s2">&quot;Arts&quot;</span><span class="p">,</span><span class="s2">&quot;sub&quot;</span><span class="p">:</span><span class="s2">&quot;Design&quot;</span><span class="p">},{</span><span class="s2">&quot;cat&quot;</span><span class="p">:</span><span class="s2">&quot;Arts&quot;</span><span class="p">,</span><span class="s2">&quot;sub&quot;</span><span class="p">:</span><span class="s2">&quot;Food&quot;</span><span class="p">}]</span>
+</pre></div>
+</div>
+<p>…would become:</p>
+<div class="highlight-python"><div class="highlight"><pre><span></span>&lt;itunes:category text=&quot;Arts&quot;&gt;
+    &lt;itunes:category text=&quot;Design&quot;/&gt;
+    &lt;itunes:category text=&quot;Food&quot;/&gt;
+&lt;/itunes:category&gt;
+</pre></div>
+</div>
 <table class="docutils field-list" frame="void" rules="none">
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
 <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
-<li><strong>itunes_category</strong> &#8211; Category of the podcast.</li>
-<li><strong>itunes_subcategory</strong> &#8211; Subcategory of the podcast.</li>
+<li><strong>itunes_category</strong> &#8211; Dictionary or list of dictionaries with
+itunes_category data.</li>
+<li><strong>replace</strong> &#8211; Add or replace old data.</li>
 </ul>
 </td>
 </tr>
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">Category data of the podcast.</p>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">List of itunes_categories as dictionaries.</p>
 </td>
 </tr>
 </tbody>
 </table>
+<p>&#8212;</p>
+<p><strong>Important note about deprecated parameter syntax:</strong> Old version of the
+feedgen did only support one category plus one subcategory which would be
+passed to this ducntion as first two parameters. For compatibility
+reasons, this still works but should not be used any may be removed at
+any time.</p>
 </dd></dl>
 
 <dl class="method">
@@ -311,8 +343,8 @@ are used.</p>
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/ext/api.ext.podcast_entry.html b/ext/api.ext.podcast_entry.html
index e662481..8af3476 100644
--- a/ext/api.ext.podcast_entry.html
+++ b/ext/api.ext.podcast_entry.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>feedgen.ext.podcast_entry &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>feedgen.ext.podcast_entry &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="../_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -23,13 +23,14 @@
     <script type="text/javascript" src="../_static/jquery.js"></script>
     <script type="text/javascript" src="../_static/underscore.js"></script>
     <script type="text/javascript" src="../_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="../index.html" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="../index.html" />
     <link rel="up" title="API Documentation" href="../api.html" />
+    <link rel="next" title="feedgen.ext.torrent" href="api.ext.torrent.html" />
     <link rel="prev" title="feedgen.ext.podcast" href="api.ext.podcast.html" /> 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="../index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>feedgen.ext.podcast_entry</span></h2>
       </div>
       <div class="topnav">
@@ -38,13 +39,16 @@
         «&#160;&#160;<a href="api.ext.podcast.html">feedgen.ext.podcast</a>
         &#160;&#160;::&#160;&#160;
         <a class="uplink" href="../index.html">Contents</a>
+        &#160;&#160;::&#160;&#160;
+        <a href="api.ext.torrent.html">feedgen.ext.torrent</a>&#160;&#160;»
         </p>
 
       </div>
       <div class="content">
         
         
-  <div class="apititle"><b>Contents</b></div>
+  <script type=application/javascript src=_static/theme_extras.js></script>
+<div class="apititle"><b>Contents</b></div>
 <div class="apitoc"></div><span class="target" id="module-feedgen.ext.podcast_entry"></span><div class="section" id="feedgen-ext-podcast-entry">
 <h1>feedgen.ext.podcast_entry<a class="headerlink" href="#feedgen-ext-podcast-entry" title="Permalink to this headline">¶</a></h1>
 <p>Extends the feedgen to produce podcasts.</p>
@@ -284,13 +288,15 @@ are used.</p>
         «&#160;&#160;<a href="api.ext.podcast.html">feedgen.ext.podcast</a>
         &#160;&#160;::&#160;&#160;
         <a class="uplink" href="../index.html">Contents</a>
+        &#160;&#160;::&#160;&#160;
+        <a href="api.ext.torrent.html">feedgen.ext.torrent</a>&#160;&#160;»
         </p>
 
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/ext/api.ext.torrent.html b/ext/api.ext.torrent.html
new file mode 100644
index 0000000..fe84148
--- /dev/null
+++ b/ext/api.ext.torrent.html
@@ -0,0 +1,203 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    
+    <title>feedgen.ext.torrent &mdash; python-feedgen 0.4.0 documentation</title>
+    
+    <link rel="stylesheet" href="../_static/lernfunk.css" type="text/css" />
+    <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
+    
+    <script type="text/javascript">
+      var DOCUMENTATION_OPTIONS = {
+        URL_ROOT:    '../',
+        VERSION:     '0.4.0',
+        COLLAPSE_INDEX: false,
+        FILE_SUFFIX: '.html',
+        HAS_SOURCE:  true
+      };
+    </script>
+    <script type="text/javascript" src="../_static/jquery.js"></script>
+    <script type="text/javascript" src="../_static/underscore.js"></script>
+    <script type="text/javascript" src="../_static/doctools.js"></script>
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="../index.html" />
+    <link rel="up" title="API Documentation" href="../api.html" />
+    <link rel="prev" title="feedgen.ext.podcast_entry" href="api.ext.podcast_entry.html" /> 
+  </head>
+  <body>
+      <div class="header"><h1 class="heading"><a href="../index.html">
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
+        <h2 class="heading"><span>feedgen.ext.torrent</span></h2>
+      </div>
+      <div class="topnav">
+      
+        <p>
+        «&#160;&#160;<a href="api.ext.podcast_entry.html">feedgen.ext.podcast_entry</a>
+        &#160;&#160;::&#160;&#160;
+        <a class="uplink" href="../index.html">Contents</a>
+        </p>
+
+      </div>
+      <div class="content">
+        
+        
+  <script type=application/javascript src=_static/theme_extras.js></script>
+<div class="apititle"><b>Contents</b></div>
+<div class="apitoc"></div><span class="target" id="module-feedgen.ext.torrent"></span><div class="section" id="feedgen-ext-torrent">
+<h1>feedgen.ext.torrent<a class="headerlink" href="#feedgen-ext-torrent" title="Permalink to this headline">¶</a></h1>
+<p>Extends the FeedGenerator to produce torrent feeds.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">copyright:</th><td class="field-body">2016, Raspbeguy &lt;<a class="reference external" href="mailto:raspbeguy&#37;&#52;&#48;hashtagueule&#46;fr">raspbeguy<span>&#64;</span>hashtagueule<span>&#46;</span>fr</a>&gt;</td>
+</tr>
+<tr class="field-even field"><th class="field-name">license:</th><td class="field-body">FreeBSD and LGPL, see license.* for more details.</td>
+</tr>
+</tbody>
+</table>
+<dl class="class">
+<dt id="feedgen.ext.torrent.TorrentEntryExtension">
+<em class="property">class </em><tt class="descclassname">feedgen.ext.torrent.</tt><tt class="descname">TorrentEntryExtension</tt><a class="headerlink" href="#feedgen.ext.torrent.TorrentEntryExtension" title="Permalink to this definition">¶</a></dt>
+<dd><p>FeedEntry extention for torrent feeds</p>
+<dl class="method">
+<dt id="feedgen.ext.torrent.TorrentEntryExtension.contentlength">
+<tt class="descname">contentlength</tt><big>(</big><em>torrent_contentlength=None</em><big>)</big><a class="headerlink" href="#feedgen.ext.torrent.TorrentEntryExtension.contentlength" title="Permalink to this definition">¶</a></dt>
+<dd><p>Get or set the size of the target file.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>torrent_contentlength</strong> &#8211; The target file size.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The target file size.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="feedgen.ext.torrent.TorrentEntryExtension.extend_rss">
+<tt class="descname">extend_rss</tt><big>(</big><em>entry</em><big>)</big><a class="headerlink" href="#feedgen.ext.torrent.TorrentEntryExtension.extend_rss" title="Permalink to this definition">¶</a></dt>
+<dd><p>Add additional fields to an RSS item.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>feed</strong> &#8211; The RSS item XML element to use.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="feedgen.ext.torrent.TorrentEntryExtension.filename">
+<tt class="descname">filename</tt><big>(</big><em>torrent_filename=None</em><big>)</big><a class="headerlink" href="#feedgen.ext.torrent.TorrentEntryExtension.filename" title="Permalink to this definition">¶</a></dt>
+<dd><p>Get or set the name of the torrent file.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>torrent_filename</strong> &#8211; The name of the torrent file.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The name of the torrent file.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="feedgen.ext.torrent.TorrentEntryExtension.infohash">
+<tt class="descname">infohash</tt><big>(</big><em>torrent_infohash=None</em><big>)</big><a class="headerlink" href="#feedgen.ext.torrent.TorrentEntryExtension.infohash" title="Permalink to this definition">¶</a></dt>
+<dd><p>Get or set the hash of the target file.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>torrent_infohash</strong> &#8211; The target file hash.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The target hash file.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="feedgen.ext.torrent.TorrentEntryExtension.peers">
+<tt class="descname">peers</tt><big>(</big><em>torrent_peers=None</em><big>)</big><a class="headerlink" href="#feedgen.ext.torrent.TorrentEntryExtension.peers" title="Permalink to this definition">¶</a></dt>
+<dd><p>Get or set the number od peers</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>torrent_infohash</strong> &#8211; The peers number.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The peers number.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="feedgen.ext.torrent.TorrentEntryExtension.seeds">
+<tt class="descname">seeds</tt><big>(</big><em>torrent_seeds=None</em><big>)</big><a class="headerlink" href="#feedgen.ext.torrent.TorrentEntryExtension.seeds" title="Permalink to this definition">¶</a></dt>
+<dd><p>Get or set the number of seeds.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>torrent_seeds</strong> &#8211; The seeds number.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The seeds number.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="feedgen.ext.torrent.TorrentEntryExtension.verified">
+<tt class="descname">verified</tt><big>(</big><em>torrent_verified=None</em><big>)</big><a class="headerlink" href="#feedgen.ext.torrent.TorrentEntryExtension.verified" title="Permalink to this definition">¶</a></dt>
+<dd><p>Get or set the number of verified peers.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>torrent_infohash</strong> &#8211; The verified peers number.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">The verified peers number.</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+</dd></dl>
+
+<dl class="class">
+<dt id="feedgen.ext.torrent.TorrentExtension">
+<em class="property">class </em><tt class="descclassname">feedgen.ext.torrent.</tt><tt class="descname">TorrentExtension</tt><a class="headerlink" href="#feedgen.ext.torrent.TorrentExtension" title="Permalink to this definition">¶</a></dt>
+<dd><p>FeedGenerator extension for torrent feeds.</p>
+</dd></dl>
+
+</div>
+
+
+      </div>
+      <div class="bottomnav">
+      
+        <p>
+        «&#160;&#160;<a href="api.ext.podcast_entry.html">feedgen.ext.podcast_entry</a>
+        &#160;&#160;::&#160;&#160;
+        <a class="uplink" href="../index.html">Contents</a>
+        </p>
+
+      </div>
+
+    <div class="footer">
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
+    </div>
+  </body>
+</html>
\ No newline at end of file
diff --git a/genindex.html b/genindex.html
index cd05dc6..a81ed88 100644
--- a/genindex.html
+++ b/genindex.html
@@ -7,7 +7,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>Index &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>Index &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
@@ -15,7 +15,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -24,11 +24,11 @@
     <script type="text/javascript" src="_static/jquery.js"></script>
     <script type="text/javascript" src="_static/underscore.js"></script>
     <script type="text/javascript" src="_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="index.html" /> 
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="index.html" /> 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>Index</span></h2>
       </div>
       <div class="topnav">
@@ -60,6 +60,7 @@
  | <a href="#S"><strong>S</strong></a>
  | <a href="#T"><strong>T</strong></a>
  | <a href="#U"><strong>U</strong></a>
+ | <a href="#V"><strong>V</strong></a>
  | <a href="#W"><strong>W</strong></a>
  
 </div>
@@ -138,10 +139,14 @@
   <dt><a href="api.entry.html#feedgen.entry.FeedEntry.comments">comments() (feedgen.entry.FeedEntry method)</a>
   </dt>
 
+      
+  <dt><a href="api.entry.html#feedgen.entry.FeedEntry.content">content() (feedgen.entry.FeedEntry method)</a>
+  </dt>
+
   </dl></td>
   <td style="width: 33%" valign="top"><dl>
       
-  <dt><a href="api.entry.html#feedgen.entry.FeedEntry.content">content() (feedgen.entry.FeedEntry method)</a>
+  <dt><a href="ext/api.ext.torrent.html#feedgen.ext.torrent.TorrentEntryExtension.contentlength">contentlength() (feedgen.ext.torrent.TorrentEntryExtension method)</a>
   </dt>
 
       
@@ -311,6 +316,10 @@
   <dt><a href="ext/api.ext.podcast_entry.html#feedgen.ext.podcast_entry.PodcastEntryExtension.extend_rss">(feedgen.ext.podcast_entry.PodcastEntryExtension method)</a>
   </dt>
 
+        
+  <dt><a href="ext/api.ext.torrent.html#feedgen.ext.torrent.TorrentEntryExtension.extend_rss">(feedgen.ext.torrent.TorrentEntryExtension method)</a>
+  </dt>
+
       </dl></dd>
   </dl></td>
 </tr></table>
@@ -338,8 +347,6 @@
   <dt><a href="ext/api.ext.dc.html#module-feedgen.ext.dc">feedgen.ext.dc (module)</a>
   </dt>
 
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="ext/api.ext.podcast.html#module-feedgen.ext.podcast">feedgen.ext.podcast (module)</a>
   </dt>
@@ -348,6 +355,12 @@
   <dt><a href="ext/api.ext.podcast_entry.html#module-feedgen.ext.podcast_entry">feedgen.ext.podcast_entry (module)</a>
   </dt>
 
+  </dl></td>
+  <td style="width: 33%" valign="top"><dl>
+      
+  <dt><a href="ext/api.ext.torrent.html#module-feedgen.ext.torrent">feedgen.ext.torrent (module)</a>
+  </dt>
+
       
   <dt><a href="api.feed.html#module-feedgen.feed">feedgen.feed (module)</a>
   </dt>
@@ -360,6 +373,14 @@
   <dt><a href="api.feed.html#feedgen.feed.FeedGenerator">FeedGenerator (class in feedgen.feed)</a>
   </dt>
 
+      
+  <dt><a href="ext/api.ext.torrent.html#feedgen.ext.torrent.TorrentEntryExtension.filename">filename() (feedgen.ext.torrent.TorrentEntryExtension method)</a>
+  </dt>
+
+      
+  <dt><a href="api.util.html#feedgen.util.formatRFC2822">formatRFC2822() (in module feedgen.util)</a>
+  </dt>
+
   </dl></td>
 </tr></table>
 
@@ -401,6 +422,10 @@
   </dt>
 
       
+  <dt><a href="ext/api.ext.torrent.html#feedgen.ext.torrent.TorrentEntryExtension.infohash">infohash() (feedgen.ext.torrent.TorrentEntryExtension method)</a>
+  </dt>
+
+      
   <dt><a href="api.feed.html#feedgen.feed.FeedGenerator.item">item() (feedgen.feed.FeedGenerator method)</a>
   </dt>
 
@@ -432,12 +457,12 @@
   <dt><a href="ext/api.ext.podcast.html#feedgen.ext.podcast.PodcastExtension.itunes_complete">itunes_complete() (feedgen.ext.podcast.PodcastExtension method)</a>
   </dt>
 
+  </dl></td>
+  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="ext/api.ext.podcast_entry.html#feedgen.ext.podcast_entry.PodcastEntryExtension.itunes_duration">itunes_duration() (feedgen.ext.podcast_entry.PodcastEntryExtension method)</a>
   </dt>
 
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="ext/api.ext.podcast.html#feedgen.ext.podcast.PodcastExtension.itunes_explicit">itunes_explicit() (feedgen.ext.podcast.PodcastExtension method)</a>
   </dt>
@@ -551,6 +576,10 @@
 <table style="width: 100%" class="indextable genindextable"><tr>
   <td style="width: 33%" valign="top"><dl>
       
+  <dt><a href="ext/api.ext.torrent.html#feedgen.ext.torrent.TorrentEntryExtension.peers">peers() (feedgen.ext.torrent.TorrentEntryExtension method)</a>
+  </dt>
+
+      
   <dt><a href="ext/api.ext.podcast_entry.html#feedgen.ext.podcast_entry.PodcastEntryExtension">PodcastEntryExtension (class in feedgen.ext.podcast_entry)</a>
   </dt>
 
@@ -558,12 +587,12 @@
   <dt><a href="ext/api.ext.podcast.html#feedgen.ext.podcast.PodcastExtension">PodcastExtension (class in feedgen.ext.podcast)</a>
   </dt>
 
+  </dl></td>
+  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="api.entry.html#feedgen.entry.FeedEntry.pubdate">pubdate() (feedgen.entry.FeedEntry method)</a>
   </dt>
 
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="api.feed.html#feedgen.feed.FeedGenerator.pubDate">pubDate() (feedgen.feed.FeedGenerator method)</a>
   </dt>
@@ -583,6 +612,16 @@
   </dt>
 
       
+  <dt><a href="api.entry.html#feedgen.entry.FeedEntry.register_extension">register_extension() (feedgen.entry.FeedEntry method)</a>
+  </dt>
+
+      <dd><dl>
+        
+  <dt><a href="api.feed.html#feedgen.feed.FeedGenerator.register_extension">(feedgen.feed.FeedGenerator method)</a>
+  </dt>
+
+      </dl></dd>
+      
   <dt><a href="api.feed.html#feedgen.feed.FeedGenerator.remove_entry">remove_entry() (feedgen.feed.FeedGenerator method)</a>
   </dt>
 
@@ -590,6 +629,8 @@
   <dt><a href="api.feed.html#feedgen.feed.FeedGenerator.remove_item">remove_item() (feedgen.feed.FeedGenerator method)</a>
   </dt>
 
+  </dl></td>
+  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="api.entry.html#feedgen.entry.FeedEntry.rights">rights() (feedgen.entry.FeedEntry method)</a>
   </dt>
@@ -600,8 +641,6 @@
   </dt>
 
       </dl></dd>
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="api.entry.html#feedgen.entry.FeedEntry.rss_entry">rss_entry() (feedgen.entry.FeedEntry method)</a>
   </dt>
@@ -621,6 +660,10 @@
 <table style="width: 100%" class="indextable genindextable"><tr>
   <td style="width: 33%" valign="top"><dl>
       
+  <dt><a href="ext/api.ext.torrent.html#feedgen.ext.torrent.TorrentEntryExtension.seeds">seeds() (feedgen.ext.torrent.TorrentEntryExtension method)</a>
+  </dt>
+
+      
   <dt><a href="api.feed.html#feedgen.feed.FeedGenerator.skipDays">skipDays() (feedgen.feed.FeedGenerator method)</a>
   </dt>
 
@@ -658,9 +701,17 @@
   </dt>
 
       </dl></dd>
+      
+  <dt><a href="ext/api.ext.torrent.html#feedgen.ext.torrent.TorrentEntryExtension">TorrentEntryExtension (class in feedgen.ext.torrent)</a>
+  </dt>
+
   </dl></td>
   <td style="width: 33%" valign="top"><dl>
       
+  <dt><a href="ext/api.ext.torrent.html#feedgen.ext.torrent.TorrentExtension">TorrentExtension (class in feedgen.ext.torrent)</a>
+  </dt>
+
+      
   <dt><a href="api.entry.html#feedgen.entry.FeedEntry.ttl">ttl() (feedgen.entry.FeedEntry method)</a>
   </dt>
 
@@ -689,6 +740,16 @@
   </dl></td>
 </tr></table>
 
+<h2 id="V">V</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%" valign="top"><dl>
+      
+  <dt><a href="ext/api.ext.torrent.html#feedgen.ext.torrent.TorrentEntryExtension.verified">verified() (feedgen.ext.torrent.TorrentEntryExtension method)</a>
+  </dt>
+
+  </dl></td>
+</tr></table>
+
 <h2 id="W">W</h2>
 <table style="width: 100%" class="indextable genindextable"><tr>
   <td style="width: 33%" valign="top"><dl>
@@ -711,8 +772,8 @@
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/index.html b/index.html
index 829e817..fbbb389 100644
--- a/index.html
+++ b/index.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>Feedgenerator &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>Feedgenerator &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -23,12 +23,12 @@
     <script type="text/javascript" src="_static/jquery.js"></script>
     <script type="text/javascript" src="_static/underscore.js"></script>
     <script type="text/javascript" src="_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="#" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="#" />
     <link rel="next" title="API Documentation" href="api.html" /> 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="#">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>Feedgenerator</span></h2>
       </div>
       <div class="topnav">
@@ -46,21 +46,23 @@
   <div class="contents topic" id="table-of-contents">
 <p class="topic-title first">Table of Contents</p>
 <ul class="simple">
-<li><a class="reference internal" href="#feedgenerator" id="id11">Feedgenerator</a><ul>
-<li><a class="reference internal" href="#installation" id="id12">Installation</a></li>
-<li><a class="reference internal" href="#create-a-feed" id="id13">Create a Feed</a></li>
-<li><a class="reference internal" href="#generate-the-feed" id="id14">Generate the Feed</a></li>
-<li><a class="reference internal" href="#add-feed-entries" id="id15">Add Feed Entries</a></li>
-<li><a class="reference internal" href="#extensions" id="id16">Extensions</a></li>
-<li><a class="reference internal" href="#testing-the-generator" id="id17">Testing the Generator</a></li>
+<li><a class="reference internal" href="#feedgenerator" id="id3">Feedgenerator</a><ul>
+<li><a class="reference internal" href="#installation" id="id4">Installation</a></li>
+<li><a class="reference internal" href="#create-a-feed" id="id5">Create a Feed</a></li>
+<li><a class="reference internal" href="#generate-the-feed" id="id6">Generate the Feed</a></li>
+<li><a class="reference internal" href="#add-feed-entries" id="id7">Add Feed Entries</a></li>
+<li><a class="reference internal" href="#extensions" id="id8">Extensions</a></li>
+<li><a class="reference internal" href="#testing-the-generator" id="id9">Testing the Generator</a></li>
 </ul>
 </li>
-<li><a class="reference internal" href="#module-documentation" id="id18">Module documentation</a></li>
-<li><a class="reference internal" href="#indices-and-tables" id="id19">Indices and tables</a></li>
+<li><a class="reference internal" href="#module-documentation" id="id10">Module documentation</a></li>
+<li><a class="reference internal" href="#indices-and-tables" id="id11">Indices and tables</a></li>
 </ul>
 </div>
 <div class="section" id="feedgenerator">
-<h1><a class="toc-backref" href="#id11">Feedgenerator</a><a class="headerlink" href="#feedgenerator" title="Permalink to this headline">¶</a></h1>
+<h1><a class="toc-backref" href="#id3">Feedgenerator</a><a class="headerlink" href="#feedgenerator" title="Permalink to this headline">¶</a></h1>
+<p><a class="reference external" href="https://travis-ci.org/lkiesow/python-feedgen.svg?branch=master">![Build Status</a>
+](<a class="reference external" href="https://travis-ci.org/lkiesow/python-feedgen">https://travis-ci.org/lkiesow/python-feedgen</a>)</p>
 <p>This module can be used to generate web feeds in both ATOM and RSS format.  It
 has support for extensions. Included is for example an extension to produce
 Podcasts.</p>
@@ -74,69 +76,40 @@ at license.bsd and license.lgpl.</p>
 <li>Python Package Index:  <a class="reference external" href="https://pypi.python.org/pypi/feedgen/">https://pypi.python.org/pypi/feedgen/</a></li>
 </ul>
 <div class="section" id="installation">
-<h2><a class="toc-backref" href="#id12">Installation</a><a class="headerlink" href="#installation" title="Permalink to this headline">¶</a></h2>
+<h2><a class="toc-backref" href="#id4">Installation</a><a class="headerlink" href="#installation" title="Permalink to this headline">¶</a></h2>
 <p><strong>Prebuild packages</strong></p>
-<p>If you are running Fedora Linux, Redhat Enterprise Linux, CentOS or Scientific
-Linux you can use one of the following packages:</p>
-<ul>
-<li><dl class="first docutils">
-<dt><a href="#id1"><span class="problematic" id="id2">`</span></a>python-feedgen-0.3.1-1.fc21.noarch.rpm</dt>
-<dd><p class="first last">&lt;<a class="reference external" href="http://data.larskiesow.de/feedgen/python-feedgen-0.3.1-1.fc21.noarch.rpm">http://data.larskiesow.de/feedgen/python-feedgen-0.3.1-1.fc21.noarch.rpm</a>&gt;`_</p>
-</dd>
+<p>If you are running Fedora Linux, RedHat Enterprise Linux, CentOS or Scientific
+Linux you can use the RPM Copr repostiory:</p>
+<dl class="docutils">
+<dt><a href="#id1"><span class="problematic" id="id2">`</span></a><a class="reference external" href="http://copr.fedoraproject.org/coprs/lkiesow/python-feedgen/">http://copr.fedoraproject.org/coprs/lkiesow/python-feedgen/</a></dt>
+<dd>&lt;<a class="reference external" href="http://copr.fedoraproject.org/coprs/lkiesow/python-feedgen/">http://copr.fedoraproject.org/coprs/lkiesow/python-feedgen/</a>&gt;`_</dd>
 </dl>
-</li>
-<li><dl class="first docutils">
-<dt><a href="#id3"><span class="problematic" id="id4">`</span></a>python-feedgen-0.3.1-1.fc20.noarch.rpm</dt>
-<dd><p class="first last">&lt;<a class="reference external" href="http://data.larskiesow.de/feedgen/python-feedgen-0.3.1-1.fc20.noarch.rpm">http://data.larskiesow.de/feedgen/python-feedgen-0.3.1-1.fc20.noarch.rpm</a>&gt;`_</p>
-</dd>
-</dl>
-</li>
-<li><dl class="first docutils">
-<dt><a href="#id5"><span class="problematic" id="id6">`</span></a>python-feedgen-0.3.1-1.el7.centos.noarch.rpm</dt>
-<dd><p class="first last">&lt;<a class="reference external" href="http://data.larskiesow.de/feedgen/python-feedgen-0.3.1-1.el7.centos.noarch.rpm">http://data.larskiesow.de/feedgen/python-feedgen-0.3.1-1.el7.centos.noarch.rpm</a>&gt;`_</p>
-</dd>
-</dl>
-</li>
-<li><dl class="first docutils">
-<dt><a href="#id7"><span class="problematic" id="id8">`</span></a>python-feedgen-0.3.1-1.el6.noarch.rpm</dt>
-<dd><p class="first last">&lt;<a class="reference external" href="http://data.larskiesow.de/feedgen/python-feedgen-0.3.1-1.el6.noarch.rpm">http://data.larskiesow.de/feedgen/python-feedgen-0.3.1-1.el6.noarch.rpm</a>&gt;`_</p>
-</dd>
-</dl>
-</li>
-</ul>
-<p>Simply download the file and run:</p>
-<div class="highlight-python"><div class="highlight"><pre>$ yum localinstall python-feedgen-...noarch.rpm
-</pre></div>
-</div>
-<p>If you want to build RPMs for other distributions you can use the following Source RPM:</p>
-<ul>
-<li><dl class="first docutils">
-<dt><a href="#id9"><span class="problematic" id="id10">`</span></a>python-feedgen-0.3.1-1.fc20.src.rpm</dt>
-<dd><p class="first last">&lt;<a class="reference external" href="http://data.larskiesow.de/feedgen/python-feedgen-0.3.1-1.fc21.src.rpm">http://data.larskiesow.de/feedgen/python-feedgen-0.3.1-1.fc21.src.rpm</a>&gt;`_</p>
-</dd>
-</dl>
-</li>
-</ul>
+<p>Simply enable the repository and run:</p>
+<blockquote>
+<div>$ yum install python-feedgen</div></blockquote>
+<p>or for the Python 3 package:</p>
+<blockquote>
+<div>$ yum install python3-feedgen</div></blockquote>
 <p><strong>Using pip</strong></p>
 <p>You can also use pip to install the feedgen module. Simply run:</p>
-<div class="highlight-python"><div class="highlight"><pre>$ pip install feedgen
+<div class="highlight-python"><div class="highlight"><pre><span></span>$ pip install feedgen
 </pre></div>
 </div>
 </div>
 <div class="section" id="create-a-feed">
-<h2><a class="toc-backref" href="#id13">Create a Feed</a><a class="headerlink" href="#create-a-feed" title="Permalink to this headline">¶</a></h2>
+<h2><a class="toc-backref" href="#id5">Create a Feed</a><a class="headerlink" href="#create-a-feed" title="Permalink to this headline">¶</a></h2>
 <p>To create a feed simply instanciate the FeedGenerator class and insert some
 data:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">feedgen.feed</span> <span class="kn">import</span> <span class="n">FeedGenerator</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">feedgen.feed</span> <span class="kn">import</span> <span class="n">FeedGenerator</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span> <span class="o">=</span> <span class="n">FeedGenerator</span><span class="p">()</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">id</span><span class="p">(</span><span class="s">&#39;http://lernfunk.de/media/654321&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s">&#39;Some Testfeed&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">author</span><span class="p">(</span> <span class="p">{</span><span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span><span class="s">&#39;email&#39;</span><span class="p">:</span><span class="s">&#39;john@example.de&#39;</span><span class="p">}</span> <span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">link</span><span class="p">(</span> <span class="n">href</span><span class="o">=</span><span class="s">&#39;http://example.com&#39;</span><span class="p">,</span> <span class="n">rel</span><span class="o">=</span><span class="s">&#39;alternate&#39;</span> <span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">logo</span><span class="p">(</span><span class="s">&#39;http://ex.com/logo.jpg&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">subtitle</span><span class="p">(</span><span class="s">&#39;This is a cool feed!&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">link</span><span class="p">(</span> <span class="n">href</span><span class="o">=</span><span class="s">&#39;http://larskiesow.de/test.atom&#39;</span><span class="p">,</span> <span class="n">rel</span><span class="o">=</span><span class="s">&#39;self&#39;</span> <span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">language</span><span class="p">(</span><span class="s">&#39;en&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">id</span><span class="p">(</span><span class="s1">&#39;http://lernfunk.de/media/654321&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s1">&#39;Some Testfeed&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">author</span><span class="p">(</span> <span class="p">{</span><span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span><span class="s1">&#39;email&#39;</span><span class="p">:</span><span class="s1">&#39;john@example.de&#39;</span><span class="p">}</span> <span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">link</span><span class="p">(</span> <span class="n">href</span><span class="o">=</span><span class="s1">&#39;http://example.com&#39;</span><span class="p">,</span> <span class="n">rel</span><span class="o">=</span><span class="s1">&#39;alternate&#39;</span> <span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">logo</span><span class="p">(</span><span class="s1">&#39;http://ex.com/logo.jpg&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">subtitle</span><span class="p">(</span><span class="s1">&#39;This is a cool feed!&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">link</span><span class="p">(</span> <span class="n">href</span><span class="o">=</span><span class="s1">&#39;http://larskiesow.de/test.atom&#39;</span><span class="p">,</span> <span class="n">rel</span><span class="o">=</span><span class="s1">&#39;self&#39;</span> <span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">language</span><span class="p">(</span><span class="s1">&#39;en&#39;</span><span class="p">)</span>
 </pre></div>
 </div>
 <p>Note that for the methods which set fields that can occur more than once in a
@@ -147,42 +120,42 @@ feed you can use all of the following ways to provide data:</p>
 <li>Provide a list of dictionaries with the data for several elements</li>
 </ul>
 <p>Example:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">(</span> <span class="n">name</span><span class="o">=</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span> <span class="n">email</span><span class="o">=</span><span class="s">&#39;jdoe@example.com&#39;</span> <span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">({</span><span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s">&#39;email&#39;</span><span class="p">:</span><span class="s">&#39;jdoe@example.com&#39;</span><span class="p">})</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">([{</span><span class="s">&#39;name&#39;</span><span class="p">:</span><span class="s">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s">&#39;email&#39;</span><span class="p">:</span><span class="s">&#39;jdoe@example.com&#39;</span><span class="p">},</span> <span class="o">...</span><span class="p">])</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">(</span> <span class="n">name</span><span class="o">=</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span> <span class="n">email</span><span class="o">=</span><span class="s1">&#39;jdoe@example.com&#39;</span> <span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">({</span><span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s1">&#39;email&#39;</span><span class="p">:</span><span class="s1">&#39;jdoe@example.com&#39;</span><span class="p">})</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">contributor</span><span class="p">([{</span><span class="s1">&#39;name&#39;</span><span class="p">:</span><span class="s1">&#39;John Doe&#39;</span><span class="p">,</span> <span class="s1">&#39;email&#39;</span><span class="p">:</span><span class="s1">&#39;jdoe@example.com&#39;</span><span class="p">},</span> <span class="o">...</span><span class="p">])</span>
 </pre></div>
 </div>
 </div>
 <div class="section" id="generate-the-feed">
-<h2><a class="toc-backref" href="#id14">Generate the Feed</a><a class="headerlink" href="#generate-the-feed" title="Permalink to this headline">¶</a></h2>
+<h2><a class="toc-backref" href="#id6">Generate the Feed</a><a class="headerlink" href="#generate-the-feed" title="Permalink to this headline">¶</a></h2>
 <p>After that you can generate both RSS or ATOM by calling the respective method:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">atomfeed</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">atom_str</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span> <span class="c"># Get the ATOM feed as string</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">rssfeed</span>  <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">rss_str</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span> <span class="c"># Get the RSS feed as string</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">atom_file</span><span class="p">(</span><span class="s">&#39;atom.xml&#39;</span><span class="p">)</span> <span class="c"># Write the ATOM feed to a file</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">rss_file</span><span class="p">(</span><span class="s">&#39;rss.xml&#39;</span><span class="p">)</span> <span class="c"># Write the RSS feed to a file</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">atomfeed</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">atom_str</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span> <span class="c1"># Get the ATOM feed as string</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">rssfeed</span>  <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">rss_str</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span> <span class="c1"># Get the RSS feed as string</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">atom_file</span><span class="p">(</span><span class="s1">&#39;atom.xml&#39;</span><span class="p">)</span> <span class="c1"># Write the ATOM feed to a file</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">rss_file</span><span class="p">(</span><span class="s1">&#39;rss.xml&#39;</span><span class="p">)</span> <span class="c1"># Write the RSS feed to a file</span>
 </pre></div>
 </div>
 </div>
 <div class="section" id="add-feed-entries">
-<h2><a class="toc-backref" href="#id15">Add Feed Entries</a><a class="headerlink" href="#add-feed-entries" title="Permalink to this headline">¶</a></h2>
+<h2><a class="toc-backref" href="#id7">Add Feed Entries</a><a class="headerlink" href="#add-feed-entries" title="Permalink to this headline">¶</a></h2>
 <p>To add entries (items) to a feed you need to create new FeedEntry objects and
 append them to the list of entries in the FeedGenerator. The most convenient
 way to go is to use the FeedGenerator itself for the instantiation of the
 FeedEntry object:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">add_entry</span><span class="p">()</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">id</span><span class="p">(</span><span class="s">&#39;http://lernfunk.de/media/654321/1&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s">&#39;The First Episode&#39;</span><span class="p">)</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">add_entry</span><span class="p">()</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">id</span><span class="p">(</span><span class="s1">&#39;http://lernfunk.de/media/654321/1&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s1">&#39;The First Episode&#39;</span><span class="p">)</span>
 </pre></div>
 </div>
-<p>The FeedGenerators method add_entry(...) without argument provides will
+<p>The FeedGenerators method <cite>add_entry(...)</cite> without argument provides will
 automatically generate a new FeedEntry object, append it to the feeds internal
 list of entries and return it, so that additional data can be added.</p>
 </div>
 <div class="section" id="extensions">
-<h2><a class="toc-backref" href="#id16">Extensions</a><a class="headerlink" href="#extensions" title="Permalink to this headline">¶</a></h2>
+<h2><a class="toc-backref" href="#id8">Extensions</a><a class="headerlink" href="#extensions" title="Permalink to this headline">¶</a></h2>
 <p>The FeedGenerator supports extension to include additional data into the XML
 structure of the feeds. Extensions can be loaded like this:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">load_extension</span><span class="p">(</span><span class="s">&#39;someext&#39;</span><span class="p">,</span> <span class="n">atom</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span> <span class="n">rss</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">load_extension</span><span class="p">(</span><span class="s1">&#39;someext&#39;</span><span class="p">,</span> <span class="n">atom</span><span class="o">=</span><span class="bp">True</span><span class="p">,</span> <span class="n">rss</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
 </pre></div>
 </div>
 <p>This will try to load the extension “someext” from the file <cite>ext/someext.py</cite>.
@@ -194,28 +167,27 @@ is required to have at least the two methods <cite>extend_rss(...)</cite> and
 “SomextEntryExtension” for every entry of the feed. This class can be located
 either in the same file as SomextExtension or in <cite>ext/someext_entry.py</cite> which
 is suggested especially for large extensions.</p>
-<p>The parameters <cite>atom</cite> and <cite>rss</cite> tell the FeedGenerator if the extensions should
-only be used for either ATOM or RSS feeds. The default value for both
-parameters is true which means that the extension would be used for both kinds
-of feeds.</p>
-<p><strong>Example: Produceing a Podcast</strong></p>
+<p>The parameters <cite>atom</cite> and <cite>rss</cite> control if the extension is used for ATOM and
+RSS feeds, respectively. The default value for both parameters is <cite>true</cite>
+meaning the extension is used for both kinds of feeds.</p>
+<p><strong>Example: Producing a Podcast</strong></p>
 <p>One extension already provided is the podcast extension. A podcast is an RSS
 feed with some additional elements for ITunes.</p>
 <p>To produce a podcast simply load the <cite>podcast</cite> extension:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">feedgen.feed</span> <span class="kn">import</span> <span class="n">FeedGenerator</span>
+<div class="highlight-python"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">feedgen.feed</span> <span class="kn">import</span> <span class="n">FeedGenerator</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span> <span class="o">=</span> <span class="n">FeedGenerator</span><span class="p">()</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">load_extension</span><span class="p">(</span><span class="s">&#39;podcast&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">load_extension</span><span class="p">(</span><span class="s1">&#39;podcast&#39;</span><span class="p">)</span>
 <span class="gp">...</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">podcast</span><span class="o">.</span><span class="n">itunes_category</span><span class="p">(</span><span class="s">&#39;Technology&#39;</span><span class="p">,</span> <span class="s">&#39;Podcasting&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">podcast</span><span class="o">.</span><span class="n">itunes_category</span><span class="p">(</span><span class="s1">&#39;Technology&#39;</span><span class="p">,</span> <span class="s1">&#39;Podcasting&#39;</span><span class="p">)</span>
 <span class="gp">...</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">add_entry</span><span class="p">()</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">id</span><span class="p">(</span><span class="s">&#39;http://lernfunk.de/media/654321/1/file.mp3&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s">&#39;The First Episode&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">description</span><span class="p">(</span><span class="s">&#39;Enjoy our first episode.&#39;</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">enclosure</span><span class="p">(</span><span class="s">&#39;http://lernfunk.de/media/654321/1/file.mp3&#39;</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="s">&#39;audio/mpeg&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">id</span><span class="p">(</span><span class="s1">&#39;http://lernfunk.de/media/654321/1/file.mp3&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s1">&#39;The First Episode&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">description</span><span class="p">(</span><span class="s1">&#39;Enjoy our first episode.&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fe</span><span class="o">.</span><span class="n">enclosure</span><span class="p">(</span><span class="s1">&#39;http://lernfunk.de/media/654321/1/file.mp3&#39;</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="s1">&#39;audio/mpeg&#39;</span><span class="p">)</span>
 <span class="gp">...</span>
 <span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">rss_str</span><span class="p">(</span><span class="n">pretty</span><span class="o">=</span><span class="bp">True</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">rss_file</span><span class="p">(</span><span class="s">&#39;podcast.xml&#39;</span><span class="p">)</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">fg</span><span class="o">.</span><span class="n">rss_file</span><span class="p">(</span><span class="s1">&#39;podcast.xml&#39;</span><span class="p">)</span>
 </pre></div>
 </div>
 <p>Of cause the extension has to be loaded for the FeedEntry objects as well but
@@ -223,15 +195,20 @@ this is done automatically by the FeedGenerator for every feed entry if the
 extension is loaded for the whole feed. You can, however, load an extension for
 a specific FeedEntry by calling <cite>load_extension(...)</cite> on that entry. But this
 is a rather uncommon use.</p>
-<p>Of cause you can still produce a normal ATOM or RSS feed, even if you have
-loaded some plugins by temporary disabling them during the feed generation.
-This can be done by calling the generating method with the keyword argument
-<cite>extensions</cite> set to <cite>False</cite>.</p>
+<p>You can still produce a normal ATOM or RSS feed, even if you have loaded some
+plugins by temporary disabling them during the feed generation.  This can be
+done by calling the generating method with the keyword argument <cite>extensions</cite>
+set to <cite>False</cite>.</p>
+<p><strong>Custom Extensions</strong></p>
+<p>If you want to load custom extension which are not part of the feedgen Python
+package, you can use the method <cite>register_extension</cite> instead. You can directly
+pass the classes for the feed and the entry extension to this method meaning
+that you can define them everywhere.</p>
 </div>
 <div class="section" id="testing-the-generator">
-<h2><a class="toc-backref" href="#id17">Testing the Generator</a><a class="headerlink" href="#testing-the-generator" title="Permalink to this headline">¶</a></h2>
+<h2><a class="toc-backref" href="#id9">Testing the Generator</a><a class="headerlink" href="#testing-the-generator" title="Permalink to this headline">¶</a></h2>
 <p>You can test the module by simply executing:</p>
-<div class="highlight-python"><div class="highlight"><pre>$ python -m feedgen
+<div class="highlight-python"><div class="highlight"><pre><span></span>$ python -m feedgen
 </pre></div>
 </div>
 <p>If you want to have a look at the code for this test to have a working code
@@ -240,7 +217,7 @@ example for a whole feed generation process, you can find it in the
 <hr /></div>
 </div>
 <div class="section" id="module-documentation">
-<h1><a class="toc-backref" href="#id18">Module documentation</a><a class="headerlink" href="#module-documentation" title="Permalink to this headline">¶</a></h1>
+<h1><a class="toc-backref" href="#id10">Module documentation</a><a class="headerlink" href="#module-documentation" title="Permalink to this headline">¶</a></h1>
 <div class="toctree-wrapper compound">
 <ul>
 <li class="toctree-l1"><a class="reference internal" href="api.html">API Documentation</a><ul>
@@ -252,13 +229,14 @@ example for a whole feed generation process, you can find it in the
 <li class="toctree-l2"><a class="reference internal" href="ext/api.ext.dc.html">feedgen.ext.dc</a></li>
 <li class="toctree-l2"><a class="reference internal" href="ext/api.ext.podcast.html">feedgen.ext.podcast</a></li>
 <li class="toctree-l2"><a class="reference internal" href="ext/api.ext.podcast_entry.html">feedgen.ext.podcast_entry</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ext/api.ext.torrent.html">feedgen.ext.torrent</a></li>
 </ul>
 </li>
 </ul>
 </div>
 </div>
 <div class="section" id="indices-and-tables">
-<h1><a class="toc-backref" href="#id19">Indices and tables</a><a class="headerlink" href="#indices-and-tables" title="Permalink to this headline">¶</a></h1>
+<h1><a class="toc-backref" href="#id11">Indices and tables</a><a class="headerlink" href="#indices-and-tables" title="Permalink to this headline">¶</a></h1>
 <ul class="simple">
 <li><a class="reference internal" href="genindex.html"><em>Index</em></a></li>
 <li><a class="reference internal" href="py-modindex.html"><em>Module Index</em></a></li>
@@ -279,8 +257,8 @@ example for a whole feed generation process, you can find it in the
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/py-modindex.html b/py-modindex.html
index b96ee89..2d8913c 100644
--- a/py-modindex.html
+++ b/py-modindex.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>Python Module Index &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>Python Module Index &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -23,14 +23,14 @@
     <script type="text/javascript" src="_static/jquery.js"></script>
     <script type="text/javascript" src="_static/underscore.js"></script>
     <script type="text/javascript" src="_static/doctools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="index.html" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="index.html" />
  
 
 
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>Python Module Index</span></h2>
       </div>
       <div class="topnav">
@@ -85,6 +85,11 @@
        <td>&nbsp;&nbsp;&nbsp;
        <a href="ext/api.ext.podcast_entry.html#module-feedgen.ext.podcast_entry"><tt class="xref">feedgen.ext.podcast_entry</tt></a></td><td>
        <em></em></td></tr>
+     <tr class="cg-1">
+       <td></td>
+       <td>&nbsp;&nbsp;&nbsp;
+       <a href="ext/api.ext.torrent.html#module-feedgen.ext.torrent"><tt class="xref">feedgen.ext.torrent</tt></a></td><td>
+       <em></em></td></tr>
      <tr class="cg-1">
        <td></td>
        <td>&nbsp;&nbsp;&nbsp;
@@ -108,8 +113,8 @@
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/search.html b/search.html
index 35795f2..d60845f 100644
--- a/search.html
+++ b/search.html
@@ -6,7 +6,7 @@
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     
-    <title>Search &mdash; python-feedgen 0.3.1 documentation</title>
+    <title>Search &mdash; python-feedgen 0.4.0 documentation</title>
     
     <link rel="stylesheet" href="_static/lernfunk.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
@@ -14,7 +14,7 @@
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '0.3.1',
+        VERSION:     '0.4.0',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true
@@ -24,7 +24,7 @@
     <script type="text/javascript" src="_static/underscore.js"></script>
     <script type="text/javascript" src="_static/doctools.js"></script>
     <script type="text/javascript" src="_static/searchtools.js"></script>
-    <link rel="top" title="python-feedgen 0.3.1 documentation" href="index.html" />
+    <link rel="top" title="python-feedgen 0.4.0 documentation" href="index.html" />
   <script type="text/javascript">
     jQuery(function() { Search.loadIndex("searchindex.js"); });
   </script>
@@ -35,7 +35,7 @@
   </head>
   <body>
       <div class="header"><h1 class="heading"><a href="index.html">
-          <span>python-feedgen 0.3.1 documentation</span></a></h1>
+          <span>python-feedgen 0.4.0 documentation</span></a></h1>
         <h2 class="heading"><span>Search</span></h2>
       </div>
       <div class="topnav">
@@ -82,8 +82,8 @@
       </div>
 
     <div class="footer">
-        &copy; Copyright 2013, Lars Kiesow.
-      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.2.
+        &copy; Copyright 2013-2016, Lars Kiesow.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.2.3.
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/searchindex.js b/searchindex.js
index fb69a35..7d3008e 100644
--- a/searchindex.js
+++ b/searchindex.js
@@ -1 +1 @@
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