Add trove classifiers for python versions
Add setup.cfg for wheel support
Fix cleardb test

Although I find `assert url['PORT'] is None` more pythonic, PORT is set
in the main script via `'PORT': url.port or '',` so, we are obliged to
use checking for '' in our tests.
Remove travis-ci unsupported python version
Per docs http://docs.travis-ci.com/user/languages/python/ "Travis CI support Python versions 2.6, 2.7, 3.2 and 3.3"
Merge pull request #34 from JeffPaine/travis

Remove Travis CI unsupported python version
Merge pull request #33 from JeffPaine/test

Fix cleardb test
Merge pull request #32 from JeffPaine/wheel

Add setup.cfg for wheel support
Merge pull request #31 from JeffPaine/setup

Add trove classifiers to setup.py for python versions