don't throw exception when send if the socket is not connected
don't throw exception when send if the socket is not connected

fryderykhuang/SuperSocket,kerryjiang/SuperSocket,mdavid/SuperSocket,ZixiangBoy/SuperSocket,jmptrader/SuperSocket,fryderykhuang/SuperSocket,chucklu/SuperSocket,ZixiangBoy/SuperSocket,fryderykhuang/SuperSocket,mdavid/SuperSocket,memleaks/SuperSocket,chucklu/SuperSocket,jmptrader/SuperSocket,ZixiangBoy/SuperSocket,jmptrader/SuperSocket,chucklu/SuperSocket,kerryjiang/SuperSocket,mdavid/SuperSocket