Add TopicTree fuzzing dictionary

getWriteOffset should give size_t

Respond with server_max_window_bits if applicable

Emit 1006 with some usable reason messages

Send TCP FIN from HttpContext if WebSocket FIN sent

Update uSockets, fixing SSL builds

Never compress 0 bytes, finish pub/sub ded. compr.

maxBackpressure of 0 should always mean disabled

Stricter PROXY/HTTP detection

Stricter pub/sub grouping