Added extension methods for the types
Added extension methods for the types

AngleSharp/AngleSharp,AngleSharp/AngleSharp,FlorianRappl/AngleSharp,AngleSharp/AngleSharp,AngleSharp/AngleSharp,FlorianRappl/AngleSharp,FlorianRappl/AngleSharp,FlorianRappl/AngleSharp,AngleSharp/AngleSharp