Implemented wall handler

        '''Call back function on server disconnect'''

        Printer().warn("Disconnected from server!")

    def wall(self, sender, message):

        '''Receive a wall from the server'''

        Printer().out("\n\nWall from: %s\n\n%s\n\n" % (sender, message))

    def get_tags(self, tags):

        '''Return a dict of local tags'''

        ans = {}