- break up single bidict.py module into multiple separate modules inside
"bidict" package
- new bidict.util and bidict.compat modules
- move/rename bidict.fancy_iteritems to bidict.util.pairs
- move bidict.iteritems and bidict.viewitems to bidict.compat
- condense docstrings by moving more documentation into separate sphinx pages
in "docs" dir and doctests into separate files in new "tests" dir
- initial work on property-based testing using hypothesis
- adopt pytest
- bump to 0.9.0-dev