def close
	  remove_common_event_handlers
	  remove_specific_event_handlers
	  sleep 0.2
      Phidgets::FFI::Common.close(@handle) 
	  delete
      true
    end
def close
	  remove_common_event_handlers
	  remove_specific_event_handlers
	  sleep 0.2
      Phidgets::FFI::Common.close(@handle) 
	  delete
      true
    end
Closes and frees a Phidget. This should be called before closing your application or things may not shut down cleanly.

 @return [Boolean] returns true or raises an error