| ⇢ | A | ChangeParentTaskCommand added | |
| ⇢ | A | TaskParentCannotBelongToOtherProjectException added | |
| ⇢ | A | TaskParentChanged added | |
| ⇢ | A | ChangeParentTaskCommandSpec added | |
| ⇢ | A | TaskParentCannotBelongToOtherProjectExceptionSpec added | |
| ⇢ | A | TaskParentChangedSpec added | |
| ⇢ | A | ChangeParentTaskHandler added | |
| ⇢ | A | ChangeParentTaskHandlerSpec added |