Made version look online to find the newest version.

src/Misc.py

@@ -205,7 +205,17 @@ class Misc(callbacks.Privmsg):
 
         Returns the version of the current bot.
         """
-        irc.reply(conf.version)
+        try:
+            newest = webutils.getUrl('http://supybot.sf.net/version.txt')
+            newest = 'The newest version available online is %s.' % version
+        except webutils.WebError, e:
+            self.log.warning('Couldn\'t get website version: %r', e)
+            newest = 'I could\'t fetch the newest version ' \
+                     'from the Supybot website.'
+        s = 'The current (running) version of this Supybot is %s.  %s' % \
+            (conf.version, newest)
+        irc.reply(s)
+    version = privmsgs.thread(version)
 
     def revision(self, irc, msg, args):
         """[<module>]