SimpleXMLRPCDispatcher.__init__ takes 3 arguments instead of 1 since
python 2.5, so we check for that with a hack, for I found no better way,
other than catching a TypeError exception.
Signed-off-by: martin f. krafft <madduck@madduck.net>
ikiwiki via XML RPC. This should be much faster than the old plugin that
had to fork python for every rst page render. Note that if you use
the rst plugin, you now need to have the RPC::XML perl module installed.