Merge pull request #446 from terrafrost/hash-96-2

Hash: add sha256-96 and sha512-96

* terrafrost/hash-96-2:
  Hash: apply fixes to sha512 unit tests as well
  Hash: one more fix to unit test
  Hash: fix unit tests
  Hash: add unit tests
  Hash: add sha256-96 and sha512-96
Merge branch 'master' into php5

* master:
  Hash: apply fixes to sha512 unit tests as well
  Hash: one more fix to unit test
  Hash: fix unit tests
  Hash: add unit tests
  Hash: add sha256-96 and sha512-96