* Realize I neglected the change log!
* Add unit tests with vcrpy, enabling major refactoring
* Refactor graph to instead use in-memory graph db: networkx
* This simplifies and normalizes graph operations; try it!
* Old method is still available, but subject to deprecation!
* Reduce URL hits on the GoCD server
* Only look up failing pipelines; we chack this by hitting cctray.xml
* Parse code comparison and materials changes
* When the value stream is blocked, now you know what caused it