Cleaned up setup.py to be compatible with python 3
use join even for finding version
no more long in python 3
integer types differ on py3
string_types
xrange
items()
iteritems
no more long
fixing bytes and strings in tests
unicode and six.PY3
infrastructure fixes
work on python 2.6
Add py33 to tox config.
Import `six` things more deeply, for brevity.
Add Python 3 trove classifiers to setup.py.
Tweak a comment.
Merge Python 3 support! Closes #81.