- Removed some bugs undoing/redoing items with dependents, dependents re-insertion code moved to commands.
- class Document merged with class DiagramController.
- Added support to many to many relations.
- Added a icon to the QUndoView clean state :-)
- Small cleanup in MainWindow code.
- Relation list on edittable dialog display tables name instead of relations name.
- Fixed a crash in edittable dialog box when he table does not have relations.
- Foreign keys can be primary keys... duh!
- Tables receive modified notifications when primary keys property changes.