Reconnect spawner to render?

[cognizant]

My spawner has crashed a few times when doing very large renders. Is there anyway to restart the spawner on the slaves after it has crashed, and have it connect to the render that is still running on the main machine?

If not, can we please add this to the wishlist? Crashes happen, and it would be nice to not have to chose between totally restarting or letting it chug along on one machine.