2003-06-23  Sven Neumann  <sven@gimp.org>

	* app/config/gimpconfig.[ch]
	* app/config/gimpconfigwriter.[ch]
	* app/config/gimpscanner.[ch]: added support for serializing to
	and deserializing from strings. Had to do some smaller changes to
	the GimpConfig API.

	* app/config/test-config.c: added a simple test for the new
	functions.

	* app/config/gimpconfig-dump.c
	* app/config/gimprc.c
	* app/core/gimp-documents.c
	* app/core/gimp-parasites.c
	* app/core/gimp-templates.c
	* app/core/gimpunits.c
	* app/gui/session.c
	* app/plug-in/plug-in-rc.c
	* app/tools/tool_options.c
	* app/widgets/gimpdevices.c: follow GimpConfig API changes.

	* libgimpbase/gimpparasite.[ch]: declared the return value of
	gimp_parasite_data() as gconstpointer.