LZ4 fast compression algorithm for js，clone from https://github.com/pierrec/node-lz4 upgrade Buffer.js to version 4.9.0 for fix new version Firefox.
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.cn-greasyfork.org/scripts/24510/155728/node-lz4.js
LZ4 fast compression algorithm for js，clone from https://github.com/pierrec/node-lz4
upgrade Buffer.js to version 4.9.0 for fix new version Firefox.
