This works around a perl crasher bug, and also avoids bloating pages
with enormous diffs.
rcs_recentchanges modified to return a list in an array context.
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>