strands-project/strands_executive — pull request #68 by hawesie (2014-06-23 19:30:40+00:00)
Title: changes to handle concurrency - cherry-picked

Copied from https://github.com/strands-project/strands_executive/pull/66 but just cherry-picked relevant changes as indicated by @BFALacerda. Bruno, please can you just sanity check this then I will merge it.