Fixed an issue with exit commands not using arg_regex ending correctly (it turns out you need to include this in the ExitCommand creation call or the metaclass will not pick it up and precompile the regex). Resolves Issue 397.

src/comms/channelhandler.py

@@ -125,7 +125,9 @@ class ChannelHandler(object):
         cmd = ChannelCommand(key=channel.key.strip().lower(),
                              aliases=channel.aliases.all(),
                              locks="cmd:all();%s" % channel.locks,
-                             obj=channel)
+                             help_category="Channel names",
+                             obj=channel,
+                             is_channel=True)
         cmd.__doc__= self._format_help(channel)
         self.cached_channel_cmds.append(cmd)
         self.cached_cmdsets = {}