2 - property proxy in compount elements.
3 - implement events in all plugins.
4 - app must be able to catch events?
5 - deal with clocking issues
6 - use real chaining where possible
9 * gst_elementfactory_make ("factoryname", NULL) automatically uniquifies the name
11 * parser and scheduler test system
12 * clean up xml code - restore/save creates/save pipeline, gst_object_save/load_props
13 with just the properties