Add py3k compatibility macros for type objects.

Wrapping/PythonCore/CMakeLists.txt

Wrapping/PythonCore/PyVTKMethodDescriptor.cxx

Wrapping/PythonCore/PyVTKMethodDescriptor.h

Wrapping/PythonCore/PyVTKMutableObject.cxx

Wrapping/PythonCore/PyVTKMutableObject.h

Wrapping/PythonCore/PyVTKNamespace.cxx

Wrapping/PythonCore/PyVTKNamespace.h

Wrapping/PythonCore/PyVTKObject.cxx

Wrapping/PythonCore/PyVTKSpecialObject.cxx

Wrapping/PythonCore/PyVTKTemplate.cxx

Wrapping/PythonCore/PyVTKTemplate.h

Wrapping/PythonCore/vtkPythonArgs.cxx

Wrapping/PythonCore/vtkPythonCompatibility.h

Wrapping/PythonCore/vtkPythonOverload.cxx

Wrapping/PythonCore/vtkPythonUtil.cxx

Wrapping/PythonCore/vtkPythonUtil.h

Wrapping/Tools/vtkWrapPythonClass.c

Wrapping/Tools/vtkWrapPythonEnum.c

Wrapping/Tools/vtkWrapPythonType.c