v1.0: fixed clear timeout session synchronization issue
v1.0: fixed clear timeout session synchronization issue

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