Saves the URL warc_url in the log file for fully extracted WARC URLs
        :param warc_url:
        :return:

def __register_fully_extracted_warc_file(self, warc_url):
        """
        Saves the URL warc_url in the log file for fully extracted WARC URLs
        :param warc_url:
        :return:
        """
        with open(self.__log_pathname_fully_extracted_warcs, 'a') as log_file:
            log_file.write(warc_url + '\n')