Add move semantics to sbuffer
Add move semantics to sbuffer

GamePad64/msgpack-c,kern/msgpack-c,GamePad64/msgpack-c,kern/msgpack-c,GamePad64/msgpack-c,kern/msgpack-c,kern/msgpack-c,GamePad64/msgpack-c,kern/msgpack-c,GamePad64/msgpack-c