| ⇢ | A | UserAdd added | |
| ⇢ | A | UserPassword added | |
| A | ↛ | CompileCommand removed | |
| A | ↛ | ClearAllCommand removed |
| ⇢ | B | UserAdd::handle() added | |
| ⇢ | B | UserPassword::handle() added | |
| ⇢ | A | UserPassword::getGuard() added | |
| ⇢ | A | UserAdd::getGuard() added | |
| A | ↛ | CompileCommand::handle() removed | |
| A | ↛ | ClearAllCommand::handle() removed |