title: How to make a deep copy of an NSDictionary, the easy way?
body: <p>How to make a deep copy of an NSDictionary, the easy way? In particular, it's an NSUserDefaults dictionary that contains only property list objects, so objects which are serializable.</p>
  
  <p>Would I just iterate over it and build a complete new one with copied values? Guess you guys have a better solution.</p>