switch add !!!

	modified:   home.py
	modified:   lib/__init__.py
	modified:   lib/command/Command.py
	modified:   lib/command/CommandParser.py
	new file:   lib/helper/SwitchHelper.py
	new file:   lib/helper/__init__.py
	modified:   usr/callbacks/action/action.py
	modified:   usr/callbacks/target/target.py
	modified:   usr/init.json