Added some typesafe alternatives in Util.Ptr
Raaz.Primitives.Cipher added along with associated tests.
Raaz hash tests against ref gadget added.
Block Encryption/Decryption implemented
CPortable AES implementation
raaz-cabal addition of the modules for ECB, CBC and CTR
ECB Reference and CPortable implementation
CBC Reference and CPortable implementation
CTR Reference and CPortable implementation
Tests for Ref, ECB, CBC, CTR added
hunit version bump
Internal file exporting implementation types and constructors for each hash added to raaz-hash
Benchmarks added
Initial commit to raaz-random
AES counter mode based random number generator added
Gadget based random number generator.