qandidate-labs/broadway — pull request #82 by kimlai (2014-11-20 09:12:04+00:00)
Title: Make the simple command bus more resilient.

If an exception occurs during the handling of a command, the simple
command bus becomes unusable (`$isDispatching` stays `true`).
With this change the bus will be able to dispatch subsequent commands
even if an exception occurs.