hashSHA512 simply returns its input value as an sha256 hash
Parameters
hashSHA512 takes no parameters
Usage
val ="hello world"log val.hashSHA512()// 309ecc489c12d6eb4cc40f50c902f2b4d0ed77ee511a7c7a9bcd3ca86d4cd86f989dd35bc5ff499670da34255b45b0cfd830e81f605dcf7dc5542e93ae9cd76f
