数据的读取保存导入导出
As of
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/553373/1681979/%E6%95%B0%E6%8D%AE%E7%AE%A1%E7%90%86.js
自用数据管理模块，可以读取保存配置和数据，也可以把数据导入和导出
