feat: Add legitimacy verification rules for email format

feat: Adapt to Swoole 5.0

Merge pull request #38 from XueSiLf/2.x

fix:修复验证器整数money无法验证问题 #516

允许设置错误规则映射

Merge pull request #35 from Stitch-June/2.x

Fix: switch problem.

fix

允许设置错误规则映射

Merge pull request #29 from gaobinzhan/2.x

fix: make use wildcard character fail

validation

Merge pull request #24 from gaobinzhan/master

add: lessThanWithColumn && greaterThanWithColumn