this serves as a good example of how to reuse code for the XML-RPC
interface. we wrap it for convenience, so that all that needs to be
supplied to the web service method is the message to echo. of course,
other modules can wrap things how they feel the need to, even adding
authentication, i guess, if they wanted
note that it doesn't unregister the XML-RPC method. for starters, i
didn't add an unregister to DrBotIRC, so it can't, and secondly, it
looks like reregistering overwrites the old one. this hasn't been
extensively tested but that's what i'm seeing