0.03    - ???
    - add (forgotten) dependency on Moose.

0.02    - Fri Sep 24 12:44:24 PDT 2010
    - add support for "NULL encryption"
    - add support for "DES3-168 encryption"
    - enable support for "AES-256 encryption"
    - ensure we only unpack "payload_len" bytes of the payload
    - use /dev/urandom to create random IV
    - internal cleanups/refactorings
    - *noticably* faster than previous release; several performance
      improvements have been made
    - new method to check if token requires renewal by re-authenticating the
      User.

0.01    - Thu Feb  4 15:34:00 PST 2010
    - initial version