Swift 3 beta 6: updated String constructor
Swift 3 beta 6: updated String constructor

ohwutup/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,victorlin/ReactiveCocoa,calebd/ReactiveCocoa,ikesyo/ReactiveCocoa,ohwutup/ReactiveCocoa,calebd/ReactiveCocoa,walkingsmarts/ReactiveCocoa,ikesyo/ReactiveCocoa,sandyway/ReactiveCocoa,ohwutup/ReactiveCocoa,calebd/ReactiveCocoa,victorlin/ReactiveCocoa,walkingsmarts/ReactiveCocoa,walkingsmarts/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,sandyway/ReactiveCocoa,sandyway/ReactiveCocoa,victorlin/ReactiveCocoa,ReactiveCocoa/ReactiveSwift