Add repr() function to Class<T>
Add to_python/from_python conversions for PyPtr<T>
Standardize set_item/get_item interfaces (instead of proxies) for Dict and List
Add Reprable<> template to newtypes.h
Fix a bug wherein the __module__ attribute would be lost for classes that have a default virtual function implementation.
[SVN r8091]
Support for __del__, __bases__, __dict__, __class__, and __name__
Support for multiple-inheritance from Python Classes and ExtensionClasses.
[SVN r8053]