Update documentation
Switch the badge branches to develop
Cleanup the CONTRIBUTING file
CONTRIBUTING: Add requirements-testing.txt
Update HISTORY
Add a link to rtfd for documentation
80 character line length limits are good.
Drop support for python 2.6

Seriously, just update to python 2.7!
unittests: Unit test the file suffix checking
unittest: Test the command line argument parsing
unittests: Test the main function
Fix flake8 issues
Bump the version in the package's __init__.py
Merge branch 'feature/unittests' into develop
Update the HISTORY.rst file
Merge branch 'release/0.1.1'