* -a: This already existed; it modifies the path given to the server
  so that people without a paperbag shell can run the rpc server.

* -z: Modify the path above so that it runs the server from the
  current user's devel tree instead of the main tree.

* -x <user>: Instead of the current user's devel tree, use another
  devel tree.

So, to run my own server:

	/usr/testbed/devel/stoller/bin/sshxmlrpc_client.py -a -z

To run Rob's devel server:

	/usr/testbed/devel/stoller/bin/sshxmlrpc_client.py -a -z -x ricci

Sorry for all this sillyness.