| ⇢ | A | TestRefsWidget added | |
| ⇢ | A | GetNodeTextButton added |
| ⇢ | A | GetNodeTextButton.__init__() added | |
| ⇢ | A | TestRefsWidget.setUp() added | |
| ⇢ | A | GetNodeTextButton.get_new_node() added | |
| ⇢ | A | GetNodeTextButton.get_node() added | |
| ⇢ | A | TestRefsWidget.tearDown() added | |
| ⇢ | A | TestRefsWidget.test_1() added | |
| A | ↘ | B | TreeWidget.expand_to_node() got worse |
| A | ↛ | TreeWidget.set_current_node() removed |