LABSM-13: refactored DOTDigraph
LABSM-13: refactored DOTDigraph

bartekchlebek/SwiftyStateMachine,bartekchlebek/SwiftyStateMachine,alessandrostone/SwiftyStateMachine,alessandrostone/SwiftyStateMachine,bartekchlebek/SwiftyStateMachine,alessandrostone/SwiftyStateMachine,DanielAsher/SwiftyStateMachine,DanielAsher/SwiftyStateMachine