| ⇢ | A | AdminDepartmentController added | |
| ⇢ | A | DepartmentType added |
| ⇢ | B | AdminDepartmentController::formAction() added | |
| ⇢ | B | AdminDepartmentController::deleteElementAction() added | |
| ⇢ | B | AdminDepartmentController::departmentsIndexAction(... added | |
| ⇢ | A | DepartmentType::buildForm() added | |
| ⇢ | A | DepartmentType::configureOptions() added | |
| ⇢ | A | Teacher::getPerson() added | |
| ⇢ | A | Department::__toString() added | |
| ⇢ | A | Teacher::__toString() added | |
| A | ↛ | Teacher::getId() removed |