2004-02-17  Alvaro del Castillo  <acs@barrapunto.com>

        * libplanner/mrp-project.c
        * libplanner/mrp-resource.c
        * libplanner/mrp-resource.h
        * libplanner/mrp-task.c
        * src/planner-assignment-model.c
        * src/planner-group-dialog.c
        * src/planner-resource-view.c
        Completed the undo/redo stuff for resources and groups
        except the resource dialog that needs some thoughts.
        Started the implementation of free methods in undo/redo commands.
        Cleaned the use of object ids for the moment.
        Cleaned the object clone methods.
        * src/planner-test-plugin.c: cleaned test output