init
add demo
add readme
add jquery lib
add a sample
init
init
add basic validate functions
up and run
添加 removeErrorClass
防止 unvaildfields 添加重复项
在验证前先 trim 传入的数据
remove test code
smarter way to validate date.
添加error message
Merge pull request #1 from ChrisYip/date-validator

smarter way to validate date.
修正错误类型 bug
support more url schemes.
Fix incorrect number comparison.
support negative numbers and step attribute.