Update 'src/error.rs'

Added doc comments.

src/error.rs

@@ -22,6 +22,10 @@ use std::{
 	str,
 };
 
+//! Implements IrcStreamError, an error type 
+//! that wraps all possible error that are thrown by IrcStream.
+
+/// A custom error type that wraps all error that IrcStream will throw.
 #[derive(Debug)]
 pub enum IrcStreamError {
 	Io(io::Error),