Run 2to3
Clean 2to3 mess
Convert Redis keys and values to str
Fix encoding errors with ZMQ
Fix bug with 0-length chunks
Fix Watchdog use
Limit race condition in LocalStorage
Fix logging error in Metadata
Don't use dd in tests for portability. Clean copy tests
Run tests with Python 3.3 on Travis
Use Watchdog's master in requirements.txt waiting for 0.7.1 on PyPi
Connect to Redis faster
Change check_changes behavior to avoid race condition