Array.shift now returns an optional Element?
Array.shift now returns an optional Element?

jalehman/ExSwift,burhanaksendir/ExSwift,Jinxiaoming/ExSwift,gpongelli/ExSwift,RajkumarPunchh/ExSwift,Jinxiaoming/ExSwift,Ravichandrane/ExSwift,LiuDeng/ExSwift,katopz/ExSwift,hasankose/ExSwift,sebbean/ExSwift,Ravichandrane/ExSwift,vittoriom/ExSwift,Natoto/ExSwift,mikekavouras/ExSwift,katopz/ExSwift,LiuDeng/ExSwift,mikekavouras/ExSwift,gpongelli/ExSwift,ktonon/ExSwift,Natoto/ExSwift,frankenthumbs/ExSwift,hasankose/ExSwift,iosyoujian/ExSwift,frankenthumbs/ExSwift,jalehman/ExSwift,marinehero/ExSwift,LiuDeng/ExSwift,iosyoujian/ExSwift,luzefeng/ExSwift,Natoto/ExSwift,henriquevelloso/ExSwift,gpongelli/ExSwift,jalehman/ExSwift,iosyoujian/ExSwift,henriquevelloso/ExSwift,sebbean/ExSwift,vittoriom/ExSwift,ktonon/ExSwift,marinehero/ExSwift,luzefeng/ExSwift,pNre/ExSwift,apouche/ExSwift,burhanaksendir/ExSwift,sagesse-cn/ExSwift,luzefeng/ExSwift,hasankose/ExSwift,sagesse-cn/ExSwift,msdgwzhy6/ExSwift,pNre/ExSwift,henriquevelloso/ExSwift,RajkumarPunchh/ExSwift,msdgwzhy6/ExSwift,vittoriom/ExSwift,mikekavouras/ExSwift,burhanaksendir/ExSwift,msdgwzhy6/ExSwift,apouche/ExSwift,Ravichandrane/ExSwift,zhuqling/ExSwift,apouche/ExSwift,marinehero/ExSwift,zhuqling/ExSwift,pNre/ExSwift,sagesse-cn/ExSwift