nuernber

I noticed the python action client library has a [`CommState`](https://github.com/ros/actionlib/blob/23acb6e7364dda9380f823e03284536574764c6a/actionlib/src/actionlib/action_client.py#L71) that is used for [determining when to call a `done_cb` function](https://github.com/ros/actionlib/blob/noetic-devel/actionlib/src/actionlib/simple_action_client.py#L245) for goals. Currently the roslibjs action client goals end...