RE: [xmlblaster] Unsubscribing with pyBlaster

[Doug.Palmer at csiro.au]

> I've added a new pyBlaster version, with cooperative version 
> of the XMLRPCServer (look for details in 
> ResponsiveThreadingTCPServer.py) and some other details.

Thanks. Nice job. 

Once I remembered to uncomment the stopCallbackServer invocation, things
have settled down nicely. (Without the call to stopCallbackServer, things
still hang. On my nebulous future wishlist would be an automatic shutdown on
exit.)