Removing the __pgkinfo__ definition of version, as using it in setup.py was causing __init__.py to be imported, which failed when dependencies were not already met
Bumping version to 0.2.1 for hotfix
Don't complain about missing __unicode__ method if python3
Merging in pull request #6
[refs #6] sys.version_info does not have named component attributes in python 2.6
[refs #6] Travis will now run tests against Python 3.3 as well