fix rw startup if no plugin is active
Added sentry plugin.
Merge branch 'sentry' of /home/git/repositories/lib/rueckenwind
Added function to return unread messages as json.
Merge branch 'mail' of /home/git/repositories/lib/rueckenwind
update motor dependency to 0.1.1
rw.run() to execute coroutine inside rw context
preprocess on per-handler basis
support options() decorator for OPTIONS HTTP requests