allow delayed execution to be cancelled
allow delayed execution to be cancelled

SD10/SwifterSwift,omaralbeik/SwifterSwift,SD10/SwifterSwift,SD10/SwifterSwift,SwifterSwift/SwifterSwift,tache/SwifterSwift,SwifterSwift/SwifterSwift,LucianoPAlmeida/SwifterSwift,omaralbeik/SwifterSwift,tache/SwifterSwift,SwifterSwift/SwifterSwift,LucianoPAlmeida/SwifterSwift