Add python 3.3 and 3.2 as allow_failures
add <1.6 to tests_require
use sqlparse from pypi
remove support for django <1.4.2
use new style exception in __init__.py
port imports to py3k in middleware.py
support new style exceptions in loader.py
port imports to py3k in utils/__init__.py
support new style exceptions in utils/tracking/__init__.py
use force_text instead of force_unicode
remove use of deprecated sqlparse.filters.Filters
use thread from six.moves in tests/tests.py
use assertEqual instead of assertEquals in tests
use iteritems from six, or items in templates
use string_types from six instead of basestring
use iterkeys and itervalues from six, or .keys and .values in templates
deprecate functions unusable on Python3
use more simpler, more portable monkey_patch_call func in tracking
use map from six
force more things to bytes before hashing