Added __hash__ to AbstractSceneWrapper. This makes them unique for sets. It is using AbstractSceneWrapper.uniqueId, so that must be implemented for the software implementation. Both Softimage and Max have this implemented.
Added __hash__ to AbstractSceneWrapper. This makes them unique for sets.
It is using AbstractSceneWrapper.uniqueId, so that must be implemented for the software implementation. Both Softimage and Max have this implemented.

git-svn-id: a3b746cc1383a42926249ed33eaccad697259b1b@17651 896c8824-d3f5-0310-9c61-ac502b9a79dc

blurstudio/cross3d