Power on a device using it's power on command.

        :param id: Device ID as an int.
        :return: :class:`devices.PowerCmd <devices.PowerCmd>` object
        :rtype: devices.PowerCmd

def power_on(self, id): # pylint: disable=invalid-name,redefined-builtin
        """Power on a device using it's power on command.

        :param id: Device ID as an int.
        :return: :class:`devices.PowerCmd <devices.PowerCmd>` object
        :rtype: devices.PowerCmd
        """
        schema = PowerCmdSchema()
        resp = self.service.post(self.base+str(id)+'/power/on/')
        return self.service.decode(schema, resp)