freerange/recap — pull request #51 by floehopper (2012-05-01 17:36:42+00:00)
Title: Make shell commands fail fast.

I'm not sure this is the most elegant way of doing things, but please see my notes in 4f93205689f4e67730de56526ebf8d0867392d5c.

It should fix #44, amongst other things, although I haven't double-checked that yet.