Restored CUncommonCrypto export

0.2.1

fixed warning

Swift 5.4+ support

0.2.0

updated targets. updated swift version

Proper HMAC naming

0.1.3

updated podspec

Added HMAC

0.1.2

added readme for HMAC

SHA2 optimization

0.1.1

version bump

SHA[1,2,3], PBKDF2, Random

0.1.0

fixed podspec