title: Check if NSDictionary is Null?
body: <p>I've tried multiple ways. I know the dictionary is NULL, as the console also prints out  when I break there. Yet when I put it in an if(  ) it doesn't trigger.</p>
  
  <pre><code>([myDict count] == 0) //results in crash
  (myDict == NULL)
  [myDict isEqual:[NSNull null]]
  </code></pre>