wrap LabeledDiGraph.add_edge by Transitions.add_edge
wrap LabeledDiGraph.add_edge by Transitions.add_edge

mutable states not handled, other, cleaner machinery may developed for that later

necozay/tulip-control,necozay/tulip-control,tulip-control/tulip-control,necozay/tulip-control,necozay/tulip-control,tulip-control/tulip-control,tulip-control/tulip-control,necozay/tulip-control,tulip-control/tulip-control