First implementation of iterative preorder
Iterative traversal block works
Simplify flow before complicating
Fix pointers
Minor change
Fix malloc
Hand-crafted primitive stack works
testIntegrityOfAnnotationTree: use stack-based iterative algorithm
Snapshot version of crashing code
Iterative tree building algorithm works
Minor cleanups
Cleanups
Annotation tree: improve copying
Make improvements based on feedback by Nik Nikonev
Yes, dispatch_apply
Ooops
30000
Revert back: remove concurrent enumeration
Make Tester app to be universal (enable iPad)
Tester: fix ViewController