0.05 2008/05/30
    - no more Readonly module.

0.04 2007/05/29
    - add retrieve_access_keys_in_hash_for method
    - bug fixed: now has_privilege( 'admin' ) work correctly.

0.03 2006/08/05
    - add get_all_access_keys method

0.02 2006/08/05
    - add retrieve_access_keys_for method

0.01 2006/07/05
    - created.