Tracking version number in source instead of git

*NOW* I remember...
Wherps, forgot pylint again!  :scream_cat:
Fixing the Makefile lint and test targets

so that I can live in reality mannnn.
Adding a li'l release script while I'm futzing with versions
Printing the version string is handy!
Cleaning up the ast-based fetch of __version__
Meant to exit here if $NEXT == $CURRENT
Merge pull request #3 from modcloth-labs/version-in-source

Version in source ist rad