Merge pull request qiniu#49 from longbai/detail_info

detail info

Merge pull request qiniu#46 from longbai/use_ip_when_dns_hijacking

dns hijacking

[ci skip] changelog

Merge pull request qiniu#32 from longbai/pub

use library libz

update version [ci skip]

[ci skip] changelog

update version [ci skip]

Merge pull request qiniu#13 from longbai/timeout

Timeout, empty body

Merge pull request qiniu#12 from longbai/update_readme

修正httpmanager 生命周期问题

Merge pull request qiniu#9 from longbai/input_check

Input check