fix commandparser bugs
    fix while, loop bugs

	modified:   home.py
	modified:   lib/command/Command.py
	modified:   lib/command/CommandParser.py
	modified:   lib/sound/Sound.py
	modified:   usr/callbacks/action/action.py
	modified:   usr/callbacks/finish/finish.py
	modified:   usr/callbacks/stop/stop.py
	modified:   usr/callbacks/target/target.py
	modified:   usr/callbacks/trigger/trigger.py
	modified:   usr/callbacks/whiles/whiles.py