changes from 0.01 to 0.02
-------------------------
* added Perl 5.6.1 dependency
* changed Authen::CAS::Client::Response is_* methods to be more consistent
across all response types
* added tests for better code coverage
* various minor internal fixups to maintain consistency
changes from 0.02 to 0.03
-------------------------
* added more tests that were previously not included
* changed to Module::Install for dist packaging