code: def putResourceValue(self,ep,res,data,cbfn=""):
  		
  		result = asyncResult(callback=cbfn)
  		result.endpoint = ep
  		result.resource = res
  		data = self._putURL("/endpoints/"+ep+res,payload=data)
  		if data.status_code == 200: #immediate success
  			result.error = False
  			result.is_done = True
  		elif data.status_code == 202:
  			self.database['async-responses'][json.loads(data.content)["async-response-id"]]= result
  		else:
  			result.error = response_codes("resource",data.status_code)
  			result.is_done = True
  		result.raw_data = data.content
  		result.status_code = data.status_code
  		return result
docs: Put a value to a resource on an endpoint
  		
  		:param str ep: name of endpoint
  		:param str res: name of resource
  		:param str data: data to send via PUT
  		:param fnptr cbfn: Optional - callback funtion to call when operation is completed
  		:return: successful ``.status_code`` / ``.is_done``. Check the ``.error``
  		:rtype: asyncResult