No longer need to fail on PyPy
Bump sqlalchemy-citext version
Notify the #warehouse channel on Freenode
Depend on psycopg2cffi-compat instead of psycopg2
Use psycopg2cffi-compat >= 1.1
Run a special coverage tox environment to record test coverage
Merge pull request #43 from dstufft/test-improvements

Test improvements