Added

• XK to country ISO values #499

Fixed

• Typescript function definition (thank you @hmica #287 #498)
• Typings for BankingAliases.getAll (thank you @Tug #351)
• Missing CreationDate with toJSON() (thank you @CanoGit #355 @fredleroy #345)
• Missing fields in CreateTransferRefund (thank you @lachauj #363)
• Missing getBlockStatus definition (thank you @capontebable #389)
• Tests #497