Added extra checks: - check on minimum representation of frame length (according RFC 6455 para 5.2) - extra checks on network read errors
Added extra checks:
- check on minimum representation of frame length (according RFC 6455 para 5.2)
- extra checks on network read errors

remimixlr/QtWebsocket,SfietKonstantin/qtwebsockets,pixty/qtwebsockets,pixty/qtwebsockets