Add Gtk::SortListModel and Gtk::FilterListModel
Add bindings for SortListModel, StringSorter, FilterListModel, Filter and StringFilter.
GtkExpression* is used for now, as GtkExpression is not yet wrapped.
Add bindings for SortListModel, StringSorter, FilterListModel, Filter and StringFilter.
GtkExpression* is used for now, as GtkExpression is not yet wrapped.