pydata/pandas — pull request #5053 by d10genes (2013-09-30 03:13:38+00:00)
Title: BUG: fix Index's __iadd__ and __isub__ methods

Aliases __iadd__ = __add__ and __isub__ = __sub__ for Index. Also disable magic methods __mul__, __trudev__, __floordiv__, __pow__, __imul__, __itruediv__, __iflloordiv__, __ipow__ for Index.
Fixes #4996