tree 5191ea70ae2a688d83b912ac078d4107d9f58fe4
parent 1a89a076fb16172e5ceb3aa1479eff339aa80d98
author Sapan Bhatia <gwsapan@gmail.com> 1394574510 -0400
committer Sapan Bhatia <gwsapan@gmail.com> 1394574510 -0400

Rewrote toposort to handle loops in Step graph. Simpler implementation