visionmedia/mocha — pull request #571 by TooTallNate (2012-09-03 19:34:41+00:00)
Title: relay signals from the "_mocha" process to the main "mocha" bin

This makes is so that if your test case cases node to crash with a SIGSEGV
or SIGBUS for example, than "mocha" will have a proper exit code (instead of 0).