Added symmetric authentication to simlify hmac
Added functions to generate and verify authentication tags for the given gadget
Changed Auth to Sign in RSA
Fixed raaz-cipher according to changed definition of Key type family
Fixed raaz-random according to changed definition of Key
Added CryptoInverse
Split primitives into symmetric and asymmetric
Fixed raaz-core
Fixed raaz-cipher salsa20
Fixed raaz-cipher AES
Fixed raaz-cipher tests
Fixed raaz-cipher benchmarks
Fixed raaz-random
Fixed raaz-modular
AuthMode changed to SignMode
Added Storable to Cxt of hashes
document the Hash class
added the HMAC primitive
removed some unwanted imports from R.P.Hash
added length safe version of replicate function