pydata/pandas — pull request #6866 by bjonen (2014-04-10 21:50:56+00:00)
Title: Custom Business Month

This extends the `offsets.py` module with a `CBMonthEnd` based on `CustomBusinessDay`. Tests are found in `test_offsets.py`.

A few small points still open:
* Implement CBMonthBegin
* Improve speed. Main speed drag is `DateOffset.onOffset`.

Also some of the tests are not passing, but the errors seem unrelated.