quantopian/zipline — pull request #408 by llllllllll (2014-10-07 22:18:40+00:00)
Title: BUG: Fixes various bugs with the event manager

- NotHalfDay only worked at midnight
- week_(start|end) were actually month_(start|end)
- Removes check_args from api.
- Default offset of 30mins for market_(open|close)