Added extra protocol checking.
Added extra protocol checking.

wangjun/pinry,pinry/pinry,Stackato-Apps/pinry,dotcom900825/xishi,wangjun/pinry,rafirosenberg/pinry,supervacuo/pinry,MSylvia/pinry,wangjun/pinry,QLGu/pinry,QLGu/pinry,pinry/pinry,supervacuo/pinry,rafirosenberg/pinry,lapo-luchini/pinry,lapo-luchini/pinry,Stackato-Apps/pinry,dotcom900825/xishi,lapo-luchini/pinry,supervacuo/pinry,lapo-luchini/pinry,QLGu/pinry,Stackato-Apps/pinry,MSylvia/pinry,pinry/pinry,pinry/pinry,MSylvia/pinry