Made Cef.Shutdown() a bit smarter (only shut down once…) and added missing XML documentation for the method at the same time.
Made Cef.Shutdown() a bit smarter (only shut down once…) and added missing XML documentation for the method at the same time.

twxstar/CefSharp,Octopus-ITSM/CefSharp,VioletLife/CefSharp,AJDev77/CefSharp,zhangjingpu/CefSharp,Haraguroicha/CefSharp,Haraguroicha/CefSharp,illfang/CefSharp,wangzheng888520/CefSharp,haozhouxu/CefSharp,Octopus-ITSM/CefSharp,battewr/CefSharp,zhangjingpu/CefSharp,gregmartinhtc/CefSharp,dga711/CefSharp,rover886/CefSharp,wangzheng888520/CefSharp,joshvera/CefSharp,yoder/CefSharp,wangzheng888520/CefSharp,Livit/CefSharp,Haraguroicha/CefSharp,illfang/CefSharp,jamespearce2006/CefSharp,rover886/CefSharp,windygu/CefSharp,jamespearce2006/CefSharp,NumbersInternational/CefSharp,jamespearce2006/CefSharp,rlmcneary2/CefSharp,ITGlobal/CefSharp,rover886/CefSharp,rlmcneary2/CefSharp,VioletLife/CefSharp,joshvera/CefSharp,ITGlobal/CefSharp,jamespearce2006/CefSharp,Octopus-ITSM/CefSharp,illfang/CefSharp,yoder/CefSharp,gregmartinhtc/CefSharp,Livit/CefSharp,rover886/CefSharp,joshvera/CefSharp,haozhouxu/CefSharp,wangzheng888520/CefSharp,illfang/CefSharp,twxstar/CefSharp,Haraguroicha/CefSharp,joshvera/CefSharp,AJDev77/CefSharp,windygu/CefSharp,gregmartinhtc/CefSharp,rlmcneary2/CefSharp,dga711/CefSharp,rlmcneary2/CefSharp,rover886/CefSharp,ITGlobal/CefSharp,jamespearce2006/CefSharp,twxstar/CefSharp,ITGlobal/CefSharp,dga711/CefSharp,ruisebastiao/CefSharp,zhangjingpu/CefSharp,ruisebastiao/CefSharp,Livit/CefSharp,battewr/CefSharp,battewr/CefSharp,NumbersInternational/CefSharp,windygu/CefSharp,dga711/CefSharp,Haraguroicha/CefSharp,battewr/CefSharp,yoder/CefSharp,Livit/CefSharp,AJDev77/CefSharp,yoder/CefSharp,NumbersInternational/CefSharp,gregmartinhtc/CefSharp,twxstar/CefSharp,ruisebastiao/CefSharp,zhangjingpu/CefSharp,AJDev77/CefSharp,NumbersInternational/CefSharp,ruisebastiao/CefSharp,haozhouxu/CefSharp,VioletLife/CefSharp,Octopus-ITSM/CefSharp,VioletLife/CefSharp,haozhouxu/CefSharp,windygu/CefSharp