Added support for request parameter, fixed a couple bugs in web.go
Added support for request parameter, fixed a couple bugs in web.go

hoisie/web,mattn/web,tempbottle/web-1,ginashi/web,devfreesg/web,zouchao2010/web,hraban/web,no2key/web,epigos/web,redhotpenguin/web,mapix/web,fredatgithub/web,riversea2015/web,williamzhang2013/web,yjp211/web