range , repeat and empty method descriptions and samples added
range , repeat and empty method descriptions and samples added

sickboy/LINQ4ES2015,Fermium-co/LINQ4ES2015,sickboy/LINQ4ES2015,Fermium-co/LINQ4ES2015,sickboy/LINQ4ES2015,ghorbani77/LINQ4ES2015,ghorbani77/LINQ4ES2015