Returns a list of all the files that match the given
        input token.

def files(self):
        """ Returns a list of all the files that match the given
        input token.
        """
        res = None
        if not res:
            res = glob.glob(self.path)
        if not res and self.is_glob:
            res = glob.glob(self.magic_path)
        if not res:
            res = glob.glob(self.alias)
        if not res:
            raise ValueError('No files match. %s' % self)
        return res