<pyvcp>
	<dial/>									# dial.0.out	test.dial.0.param_pin
	<dial halpin="dial-a-out"/>						# dial-a-out	test.dial.1.param_pin
	<dial halpin="dial-b-out" param_pin="1"/>				# dial-b-out	dial.2.param_pin
	<dial halpin="dial-c-out" param_pin="1" halparam="dial-c-in"/>		# dial-c-out	dial-c-in
	
	<spinbox/>								# spinbox.0
	<spinbox halpin="spinbox-a-out"/>					# spinbox-a-out
	<spinbox halpin="spinbox-b-out" param_pin="1"/>				# spinbox-b-out	spinbox.2.param_pin
	<spinbox halpin="spinbox-c-out" param_pin="1" halparam="spinbox-c-in"/>	# spinbox-c-out	spinbox-c-in
	
	<scale/>								# scale.0-(f|i)
	<scale halpin="scale-a-out"/>						# scale-a-out-(f|i)
	<scale halpin="scale-b-out" param_pin="1"/>				# scale-b-out-(f|i)	scale.2.param_pin
	<scale halpin="scale-c-out" param_pin="1" halparam="scale-c-in"/>	# scale-c-out-(f|i)	scale-c-in
</pyvcp>
