v1.4.2
Feature:
- cryptor package: add GenerateRsaKeyPair, RsaEncryptOAEP, RsaDecryptOAEP.
- fileutil package: add ReadFile from path or url.
- validator package: add IsBin, IsHex, IsBase64URL, IsJWT, IsVisa, IsMasterCard, IsAmericanExpress, IsUnionPay, IsChinaUnionPay.