docs: record pull --all parity support

README.md

@@ -35,7 +35,7 @@ Implemented commands:
 - `link [CASTLE]`
 - `unlink [CASTLE]`
 - `track FILE [CASTLE]`
-- `pull [CASTLE]`
+- `pull [--all|CASTLE]`
 - `push [CASTLE]`
 - `commit -m MESSAGE [CASTLE]`
 - `destroy [CASTLE]`
@@ -74,7 +74,7 @@ Command parity:
 
 Historical flag/behavior parity:
 
-- [ ] `pull --all`
+- [x] `pull --all`
 - [ ] `rc --force`
 - [ ] Evaluate whether global `pretend`/`quiet` modes should be restored