Add MANIFEST.in
Improve MANIFEST.in

Explicitly exclude py[co] etc.
Sync up VERSION file and setup.py version
Code cleanup

Encoding declarations added, flake8-ed, dead code removed, etc.
smart_unicode should be smart_text for py3
Small cleanup in templatetags
Add test boilerplate and initial tests
Additional templatetag tests
Pre-release pacakge updates
Merge pull request #5 from lpomfrey/master

Some packaging improvements, tests, and py3 fixes.