Removed public modifier and implemented canvas IDL
Removed public modifier and implemented canvas IDL

Livven/AngleSharp,AngleSharp/AngleSharp,AngleSharp/AngleSharp,zedr0n/AngleSharp.Local,FlorianRappl/AngleSharp,Livven/AngleSharp,Livven/AngleSharp,AngleSharp/AngleSharp,AngleSharp/AngleSharp,FlorianRappl/AngleSharp,AngleSharp/AngleSharp,FlorianRappl/AngleSharp,zedr0n/AngleSharp.Local,zedr0n/AngleSharp.Local,FlorianRappl/AngleSharp