~~~~~~~~~~
- core: excpetion formatting was failing on some plugin load failures.
- core: When replacing the prefix `!` from the doctrings only real commands get replaced (thx Raphael Boidol)
- core: empty lines on plugins requirements.txt does crash errbot anymore
- core: Better error message in case of malformed .plug file
- Text: fix on build_identifier (thx Pawet Adamcak)
- Slack: several fixes for identifiers parsing, the backend is fully compliant with Errbot's
contract now (thx Raphael Boidol and Samuel Loretan)
- Hipchat: fix on room occupants (thx Roman Forkosh)
- Hipchat: fix for organizations with more than 100 rooms. (thx Naman Bharadwaj)
- Hipchat: fixed a crash on build_identifier