Revert to the FUTURE_PYTHON_API, this means:

- switching the define on in buildsystems (NaN, auto and msvc are done)
- again import _Blender, which is the C module, from the Python modules

intern/python/modules/mcf/utils/hierobj.py

@@ -10,8 +10,7 @@ flattened copy of the hierarchy)
 97-03-17 Added ability to pass arguments to hier_rapply and hier_rreturn.
 97-10-31 Removed dependencies on mcf.store
 '''
-#import copy,types
-import types
+import copy,types
 import singletonlist, hier_rx
 
 class Hierobj: