Note perlModuleConfig, break in compatibility with older versions
Why? This sounds like it will break existing back-perl installations
slightly, but maybe not so thoroughly that the admin realizes why
his back-perl now misbehaves.
If we are going to redesign the interface, it might be better do
do it more thorougly. E.g. might to let
load foo.pm which defines backend foo, usable with 'database foo'.