Release v3.0.0

Release v2.8.5

Release v2.8.4

Release v2.8.3

Release v2.8.2

Release v2.8.1

update some format

Merge pull request #26 from xingshuwangluo/master

增加 闭包验证类 功能

fix file validator not work (#25)

fix file validator not work

Merge pull request #24 from consatan/fix/each_required_other_way

fix#21 each required not work other way