pydy/pydy — pull request #81 by chrisdembia (2014-07-29 16:54:57+00:00)
Title: Prototype System class.

@moorepants, can add your tests to this branch? From this point I'll write code in a test-driven way. It'd be fun to continue to work on this together, but I'm also happy to do the coding and you can review afterwards (if you're busy, etc.).