[feature] Working SSL

[lgg2]

Hello,

I have adapted the openssl example to wsServer and... works. Yes I have a working wss solution. But first I must any dummy to confirm this.

Place a cert.pem and a key.pem in place, open the port 8443 and try with the echo example.

Only 2 new functions (may be placed in one), a SSL_accept and change send/recv to SSL alternatives. No more needed.