This patch extends the test coverage of the unit tests. It also enables
python-coverage and coveralls to track unit test coverage.
There are some additional minor issue fixed discovered during the test
creation.
Signed-off-by: Lars Kiesow <lkiesow@uos.de>
This patch makes the feedgen flake8 compatible, fixing some minor issues
along the way. Most noticeable, this switches from tabs to spaces.
Signed-off-by: Lars Kiesow <lkiesow@uos.de>
