fixes for Python3 unicode_literals
remove unicode_literals as it isn't needed
update travis to test Python3.3
remove wsgiref because it is installed by default and not needed http://stackoverflow.com/questions/6627035/why-does-pip-freeze-report-some-packages-in-a-fresh-virtualenv-created-with-no
Perform Travis tests for Python 2.6, 2.7, 3.2, and 3.3
Fix for test in Python 2.6
bump version number, update CHANGES