jaredhanson/locomotive — pull request #135 by gstoyanov (2014-02-10 13:25:55+00:00)
Title: Add support for promises.

This commit adds a very basic support for promises. The change allows developers to let rejected promises propagate in the same way an exception would. This is very useful if you're using a promise library (e.g. [q](https://github.com/kriskowal/q)).