@Override
		public Object getValueAt(int rowIndex, int columnIndex) {
			Change ch = changes.get(rowIndex);
			switch (columnIndex) {
			case 0:
				return changeSelected.get(rowIndex);
			case 1:
				return ch.getType();
			case 2:
				return ch.getDescription();
			case 3:
				return ch.getTarget();
			case 4:
				return ch.getNewValue();
			case 5:
				return ch.getOldValue();
			}
			return null;
		}