malawski/cloudworkflowsimulator — pull request #107 by bryk (2013-12-04 18:43:15+00:00)
Title: Added runtime checks to ensure correctness.

@Mequrel Review this and accept/reject.

I've (re)added runtime sanity checks. Why? Because it was much easier than fixing validator. Additionally, now I like the idea of runtime sanity checks to verify interactions.