stop the injector service. By the way stoping all Pykka actors if not cleanly closed.
        :return:

def stop(self):
        """
        stop the injector service. By the way stoping all Pykka actors if not cleanly closed.
        :return:
        """
        LOGGER.debug("InjectorService.stop")
        self.driver.stop()
        InjectorUITreeService.requester = None
        InjectorCachedRegistryFactoryService.requester = None
        InjectorCachedComponentService.requester = None
        InjectorCachedGearService.requester = None