stash
remove useless retry
Merge pull request #54 from longbai/remove-retry

remove useless retry
Merge pull request #55 from simon-liubin/fix/file-path

uri.getEncodedPath() --> uri.getPath()
io retry
more test
ioexception
desc
format
modify backup host
use semaphore
Merge pull request #56 from longbai/multi-up-host

io Multi up host
remove final
mkblk retry
refactor mkfile
断点续传多host
Merge pull request #57 from longbai/multi-up-host

断点续上传多host重试
Update CHANGELOG.md
add key check
Merge pull request #59 from longbai/multi-up-host

单元测试检查返回文件名