====================
- Issue reference resolvers get the application object now as fourth
argument. The environment is availabe in the ``.env`` attribute of this
object.
- Fix the URL of Google Code issues (thanks to Denis Bilenko)
- Fix detection of closed issues in Google Code (thanks to Denis Bilenko)
- Improve error message, if ``issuetracker_issue_pattern`` has too many groups
(thanks to Denis Bilenko)
- Add warnings for unexpected HTTP status codes in BitBucket and Google Code
issue trackers