takluyver/bash_kernel — pull request #2 by blink1073 (2014-07-31 11:18:36+00:00)
Title: Fix handling of exitcode, name of "payload" key, add stub for shutdown.

I came across these errors while trying to create [octave_kernel](https://github.com/blink1073/octave_kernel). Notice there is a TODO in there about shutting down gracefully. I could not figure out how to do so.