title: iOS: Issue with ampersand in the URL string
body: <p>How do we pass a string Mr.X &amp; Mr.Y in the URL. </p>
  
  <p>I have tried this but this one does all the chars but ampersand.</p>
  
  <pre><code>[urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]
  </code></pre>