Add tests that covers ~50% of the project.
Add a tox.ini file to build against 2.7 and 3.3
Run 2to3.
Run 2to3. Clean stuff about prints and urllib.
Run 2to3. Fix prints. Fix circular dependency.
Run 2to3.
Run 2to3. Fix balanced_tokens to not have floats.
Run 2to3.
Run 2to3.
Run 2to3.
Run 2to3.