Enable dump of debug heap memory leaks
fix issue 184. clean up xcode project.
Merge pull request #218 from Dmitry-Me/enableLeakTracing

Enable dump of debug heap memory leaks
removing accidentally added newline
Merge pull request #220 from tolga9009/patch-1

removing accidentally added newline
Reuse IsWhiteSpace(), move comment.
Merge pull request #221 from Dmitry-Me/reuseIsWhiteSpace

Reuse IsWhiteSpace(), move comment.