Handle PMs once, rather than twice.
Handle PMs once, rather than twice.

Currently new PMs are handled first by the 'message' handler and then by the
'pm' handler.  This change makes the 'message' handler take a back seat to the
'pm' handler.

miyazakijunichi/hubot-irc,BenoitZugmeyer/hubot-irc,nandub/hubot-irc,miyazakijunichi/hubot-irc,Jaglag/hubot-irc,Spice-King/hubot-irc,Jaglag/hubot-irc,nandub/hubot-irc,BenoitZugmeyer/hubot-irc,Spice-King/hubot-irc