Get list of all subscriptions for a resource ``res`` on an endpoint ``ep``
		
		:param str ep: name of endpoint
		:param str res: name of resource
		:return: successful ``.status_code`` / ``.is_done``. Check the ``.error``
		:rtype: asyncResult

def getResourceSubscription(self,ep,res):
		'''
		Get list of all subscriptions for a resource ``res`` on an endpoint ``ep``
		
		:param str ep: name of endpoint
		:param str res: name of resource
		:return: successful ``.status_code`` / ``.is_done``. Check the ``.error``
		:rtype: asyncResult
		'''
		result = asyncResult()
		result.endpoint = ep
		result.resource = res
		data = self._getURL("/subscriptions/"+ep+res)
		if data.status_code == 200: #immediate success
			result.error = False
			result.is_done = True
			result.result = data.content
		else:
			result.error = response_codes("unsubscribe",data.status_code)
			result.is_done = True
		result.raw_data = data.content
		result.status_code = data.status_code
		return result