code: def has_capabilities(self, *caps):
  		
  		for cap in caps:
  			if isinstance(cap, WNetworkClientCapabilities) is True:
  				cap = cap.value
  			if WCapabilitiesHolder.has_capabilities(self, cap) is False:
  				return False
  		return True
docs: Overrides original :meth:`.WCapabilitiesHolder.has_capabilities` method to support
  		:class:`.WNetworkClientCapabilities` as a capability value