Add alias to completion of command

        stripped = comp.get_buf()[:comp.get_begin() + 1].lstrip()

        if texte == "" and stripped != "":

            return None

        return [ c for c in  Command.list() if c.startswith(texte) ]

        return [ c for c in  Command.list() + self.alias.keys() if c.startswith(texte) ]

class CliHandler(RpcHandler):

    '''Handle RPC incoming request'''