1.03 - 18-Mar-2002
    * XAO::Cache - generic cache interface (new)
    * XAO::DO::Cache::Memory - memory cache (new)
    * XAO::DO::Atom - suggested base class (new)
    * XAO::Errors - added support for throwing by known class name

1.02 - 3-Jan-2002
    * minor fixes
    * line counter in Objects.pm fixed, was off by one line in
      error messages

1.01 - 4-Dec-2001
    * fixed SimpleHash->new
    * added cleanup() method to XAO::DO::Config
    * fixed XAO::Projects::get_project() method
    * Config::init() now calls init() on all embedded objects

1.0 - 2-Nov-2001
    * Initial public release