Usage:
	tunnel listen tcp://host:port
	tunnel connect tcp://host:port
	tunnel route add ip[/mask]
	tunnel route del ip[/mask]
	tunnel route show
	tunnel show

	tunnel create http host port name proxy
	tunnel route add port 80 via proxy
	tunnel route del port 80 via proxy
	tunnel route drop via proxy

	tunnel create connect wan tcp host:port
	tunnel create listen lan tcp host:port
	tunnel add wan httptun host:port
	tunnel add wan httptun ORIGINAL
	tunnel connect lan wan

	tunnel forward lan port 80
	tunnel forward lan port 22

	tunnel show proxy
	tunnel del proxy
	tunnel list