./uml                 UML diagrams for FSM (final state machine) and HSM (hierarchical state machine)
./fsm                 FSM implementations
./fsm/switch          switch-method
./fsm/state_pattern   state pattern method
./fsm/qp              implementation with QP framework
./hsm                 HSM implementations
./hsm/qp              implementation with QP framework
./docs                article about QP