Fix error in test

Also misc changes

todo.md

@@ -1,12 +1,10 @@
 # todo
 
-- property binding optimization
-  - would no longer allow `cleanup()` usage in binding scopes
-- solution to nested reactivity, see: SolidJS stores
 - optimize wide graph updating
 - implement from solid:
-  - Portal
-  - batch
+  - stores
+  - portals
+  - batch()
 - optimize `indexes()` double-diffing
-- improve crash course, some sections feel like information dumps
 - cleanup source and tests
+- prevent redundant re-eval of nodes in a complex diamond graph