ACL\Login and Admin\Backend do not extend DB\IO anymore which was a hold
over from old extend Class\Basic usage.
The old DB_CONFIG parameter has been replaced with DB\IO Object.
Also Admin\Backend has a language class overide loder like ACL\Login
Because .inc style is deprecated and also dangerious as often not setup
correctly on the server all .inc files have been renamed to .php files.
All internall calls have been udpated.