code: def on_connect(client):
      
      print "++ Opened connection to %s" % client.addrport()
      broadcast('%s joins the conversation.\n' % client.addrport() )
      CLIENT_LIST.append(client)
      client.send("Welcome to the Chat Server, %s.\n" % client.addrport() )
docs: Sample on_connect function.
      Handles new connections.