title: How to sort by date the nsmutabledictionary
body: <p>I have a JSON returned NSMutabledictionary that contains the following </p>
  
  <blockquote>
    <p></p>
  </blockquote>
  
  <pre><code>OdometerStart = "9 miles";
      Size = 40;
      StartTime = "01-30-2013 2:30 PM";
      Tractor = T04;
  
    OdometerStart = "668 miles";
      Size = 40;
      StartTime = "01-30-2013 2:23 PM";
      Tractor = T04;
  </code></pre>
  
  <p>I need to sort it by StartTime, is there a way to sort this?
  thanks.</p>