added an AGraphFSException constructor which takes an inner exception
added an AGraphFSException constructor which takes an inner exception

mujiansu/sones,mujiansu/sones,sones/sones,yonglehou/sones,yonglehou/sones,yonglehou/sones,sones/sones,sones/sones,mujiansu/sones,mujiansu/sones,yonglehou/sones