Blender Git Loki

Change to how python classes are initialized when blender calls them.

Annoyance was that operators that defined and __init__ function would need to do...
def __init__(self, another_self):
....

py/rna was calling the class directly with PyObject_Call() but needed to pass the pre-allocated object only so __init__() would run .
This works OK internally but becomes messy since __new__ and __init__ always get the same args there was no way to avoid a superfluous self argument to __init__.