pydata/pandas — pull request #2780 by stephenwlin (2013-01-30 21:12:44+00:00)
Title: ENH: time slicing on datetime indicies (closes #2681)

Added support for `df.ix[begin_time:end_time]`, where `df.index is DateTimeIndex`, both on the `__getitem__` and `__setitem__` side; test coverage in test_frame.py