title: ABAddressBook store values in NSDictionary
body: <p>I have an app that displays <code>ABAddressBook</code> contacts in a <code>UITableView</code>. Currently I'm reading the contacts into an <code>NSDictionary</code>, however this appears to crash for some users, which I suspect is a memory issue.</p>
  
  <p>Is there another approach to display <code>ABAddressBook</code> contacts in a <code>UITableView</code> without either first storing them in an <code>NSDictionary</code> or using <code>ABPeoplePicker</code>?</p>