4b0d36c - Make a copy of sys.modules before iterating over its contents as keys are deleted from sys.modules within the for loop and this causes a RuntimeError ...
1a9ebbe - Changed importing of unittest module. unittest2 is a backport of unittest in python 3.2+ so this module is not needed in this case.
3a9bf44 - Removed use of apply() for python3.x support
9e554fc - Applied Brian Curtin python 3.x support patch.