Class Model: For now a UML model, however it should have subclass for each type of graphical language.
Global OWLBuilder::insert_class_max ($classname, $maxname): Move this into the Strategy.
Global OWLBuilder::insert_class_min ($classname, $minname): Move this into the Strategy.
Global OWLlinkBuilder::get_classes_with_min_max (): Move this into the Strategy.
Global OWLlinkBuilder::insert_class_max ($classname, $maxname): Move this into the Strategy.
Global OWLlinkBuilder::insert_class_min ($classname, $minname): Move this into the Strategy.
Global Translator::$with_queries: The translator should add queries?
Global UML::decode ($owllink_str, $jsonbuilder): Here coding a XML parser for ontologies and UML.