This fails in Python 2, and we don't actually provide this operator or make any guarantees about greater-than ordering, so it was silly to test for it to begin with.
The flags in the enum are actual bit flags instead of indices. This allows for setting/clearing a mask of flags in one go, rather than having to set each flag in its own function call. Existing code shouldn't be affected.
Closes#688
These tests were converted from the tests branch with some changes:
* Convert from unittest to PyTest
* Update code to use new API (LVector3 instead of Vec3, properties, etc.)
