Useful additions

1. A block needs to be copied to keep track of its captured state outside of the original scope. Reference: http://developer.apple.com/library/ios/#documentation/cocoa/conceptual/ProgrammingWithObjectiveC/WorkingwithBlocks/WorkingwithBlocks.html
2. Check against nil values when executing blocks
3. Verify that acquired coordinate is not cached / get the latest location
Issue: http://iphonedevsdk.com/forum/iphone-sdk-development/13660-cllocationmanager-gives-me-old-positions.html

Also, it would be nice if you'd have pushed podspec to the master CocoaPods repo.