Adds the supplied dict as a new entity

def add(self, entity):
		"""
		Adds the supplied dict as a new entity
		"""
		result = self._http_req('connections', method='POST', payload=entity)
		status = result['status']
		if not status==201:
			raise ServiceRegistryError(status,"Couldn't add entity")

		self.debug(0x01,result)
		return result['decoded']