ddeboer/imap — pull request #38 by joker806 (2014-06-16 12:26:22+00:00)
Title: Fix regex parsing the date header (allowing multiple brackets)

Sometimes we recive email with locally formated date header which can't be parsed using existing regex, because it contains multiple brackets.

Example header:
```
Fri, 13 Jun 2014 17:18:44 +0200 (Střední Evropa (letní čas))
```