//176 中国联通
//177 中国电信
//145 中国联通
//147 中国移动
//149 中国电信

remove = in if statement

move expire in line 154 to 247, because it will cause session_cookie not writen to explorer

edit mobile regular expression ; add 184 Section No.

fix cookie not work in IE

bugfix: if a form field type is bool, valid Required should always return true instead of return its value.

Added to input.go: AcceptHtml, AcceptsXml and AcceptsJson functions which check the header agains a regex for simpler mult-content-type handling.

当页面放置一段时间，验证码将从缓存中失效。当用户再来刷新验证码将出现验证码404。对于reload操作应该直接生成验证码。

add missed LICENSE of captcha

Fix the wrong parameter bug in ledis session support cause build failure