Update array validator to be simpler
Update array validator to be simpler

Edovia/SwiftyDropbox,skela/SwiftyDropbox,skela/SwiftyDropbox,dropbox/SwiftyDropbox,Edovia/SwiftyDropbox,dropbox/SwiftyDropbox,dropbox/SwiftyDropbox,skela/SwiftyDropbox,skela/SwiftyDropbox,dropbox/SwiftyDropbox