Make .compareTo return not 0 when the objects have a different model_.
Make .compareTo return not 0 when the objects have a different model_.

jacksonic/foam,foam-framework/foam,jlhughes/foam,foam-framework/foam,jlhughes/foam,mdittmer/foam,foam-framework/foam,jlhughes/foam,mdittmer/foam,mdittmer/foam,jacksonic/foam,osric-the-knight/foam,osric-the-knight/foam,foam-framework/foam,jacksonic/foam,mdittmer/foam,osric-the-knight/foam,osric-the-knight/foam,foam-framework/foam,jlhughes/foam,jacksonic/foam