HyBi spec says server shouldn't mask payloads when delivering to client - now allow user to specify to mask or not; WebSocket by default will not mask, Framing on its own will
Refactored unframe() methods into Message/Frame classes (per protocol version)
Change onRecv of WebSocket App to use new interfaces to test statuses, resulting in reuniting a message fragmented by TCP
Wrote unit test covering most of new HyBi10 Frame class