Merge pull request #6 from gmuteam/master

sync master
Merge pull request #7 from gmuteam/master

sync master
Merge pull request #8 from gmuteam/master

sync master
增加zip测试
Merge pull request #9 from gmuteam/master

sync master
小调整
解决extend一个bug
Merge pull request #25 from 2betop/master

提交代码
Merge pull request #26 from yeol/master

filepaste
调整代码
修复conflict
Merge pull request #27 from 2betop/master

提交代码
增加ZIP调研
更新ZIP调研文档
Merge pull request #28 from miller/master

增加ZIP方案调研
添加hash调研结果
补充调研文档
补充调研文档
优化代码
添加md5调研结果