fix for edge importing, it wasn't working at all.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4724 96b784f8-4ae3-dd11-aff7-0030488c597c
tweaks  to xor use.


git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4725 96b784f8-4ae3-dd11-aff7-0030488c597c
Update to OBJ exporter: now you can choose wether to export smooth groups IDs as simple values or as bitflags.

git-svn-id: https://svn.blender.org/svnroot/bf-extensions/trunk/py/scripts/addons@4728 96b784f8-4ae3-dd11-aff7-0030488c597c