pep8 and sphinx format
Merge remote-tracking branch 'kali/fix-pep8' into develop
Support any encoding in the emails
Make the mail received callback more robust and add support for ml
Add changes file
Merge remote-tracking branch 'chiiph/bug/support_mailing_lists_and_encodings' into develop
Fix return codes for check recipient
Add changes file
Merge remote-tracking branch 'chiiph/bug/recipient_return_line' into develop
add freeze_debianver
Merge remote-tracking branch 'kali/add-freeze-debianver' into develop
update mx requirements
Merge remote-tracking branch 'kali/update-requirements' into develop
Pick correct recipient and encoding
Merge remote-tracking branch 'chiiph/bug/pick_correct_recipient_and_encodign' into develop
Improve logging to better support unicode

Also add some files I forgot to add in a different feature branch.
Merge remote-tracking branch 'chiiph/bug/more_unicode_stuff' into develop
Update requirements
Fold in changes
Merge branch 'release-0.3.3'