spiral /
components
| ⇢ | A | DFSSorter added |
| ⇢ | A | Context::getName() added | |
| ⇢ | A | DFSSorter::addItem() added | |
| ⇢ | A | DFSSorter::sort() added | |
| ⇢ | A | DFSSorter::dfs() added | |
| B | ↘ | C | Dumper::dumpObject() got worse |
