Merge pull request #43 from stanislaw/master

Add new podspec (because of recent cocoapods migration to podspec.json)
Merge pull request #45 from stanislaw/master

Fix issue with configureAnnotationForDisplay (#19)
Merge pull request #49 from itsbonczek/dev

Pre-0.2 work
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