fixed the bug that JsonWebSocket doesn't have Open method
fixed the bug that JsonWebSocket doesn't have Open method

tohosnet/WebSocket4Net,mattleibow/WebSocket4Net,jchapuis/WebSocket4Net,modulexcite/WebSocket4Net,kerryjiang/WebSocket4Net,Everbridge/sm-WebSocket4Net,modulexcite/WebSocket4Net,geffzhang/WebSocket4Net,jmptrader/WebSocket4Net,tohosnet/WebSocket4Net,ayls/websocket4net,geffzhang/WebSocket4Net,geffzhang/WebSocket4Net,modulexcite/WebSocket4Net,Everbridge/sm-WebSocket4Net,jchapuis/WebSocket4Net,wiyonoaten/WebSocket4Net,ayls/websocket4net,wiyonoaten/WebSocket4Net,thomaslevesque/WebSocket4Net,kerryjiang/WebSocket4Net,Everbridge/sm-WebSocket4Net,mdavid/WebSocket4Net,mattleibow/WebSocket4Net,thomaslevesque/WebSocket4Net,tohosnet/WebSocket4Net,mattleibow/WebSocket4Net,jmptrader/WebSocket4Net,mdavid/WebSocket4Net,thomaslevesque/WebSocket4Net,jchapuis/WebSocket4Net,jmptrader/WebSocket4Net,Everbridge/sm-WebSocket4Net,kerryjiang/WebSocket4Net,wiyonoaten/WebSocket4Net