Sun Jan 18 03:57:52 1998  Tim Janik  <timj@psynet.net>

        * gtk/gtkbox.h:
        * gtk/gtkbox.c: new functions gtk_box_reorder_child,
        gtk_box_query_child_packing and gtk_box_set_child_packing to
        allow modification of the child linkage after the widget tree
        is setup.

        * gtk/gtkbox.c:
        * gtk/gtklabel.c:
        * gtk/gtkwindow.c:
        * gtk/gtkwidget.c:
        * gtk/gtkobject.c: gtk_*_get_arg() and gtk_*_set_arg() fixes
          and implementations.