title: Error when putting image to UIImageView (another ViewController)
body: <p>I have an two ViewController's - <code>ItemInfo</code> and <code>ShowImage</code>. In <code>ItemInfo</code> I have an UIImageView <code>itemImg</code> with image from array:</p>
  
  <pre><code>itemImg.image = UIImage(named:item.img)
  </code></pre>
  
  <p>It working perfectly.</p>
  
  <p>But I can't put this image to UIImageView <code>fullImage</code> from <code>ShowImage</code> ViewContrloller. This code from <code>ItemInfo</code> ViewController:</p>
  
  <pre><code>override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
          if segue.identifier == "showImage" {
              let destViewController: showImage = segue.destination as! showImage
              destViewController.title = itemName.text
              destViewController.fullImage.image = self.itemImg.image
          }
      }
  </code></pre>
  
  <p>At the line</p>
  
  <pre><code>destViewController.fullImage.image = self.itemImg.image
  </code></pre>
  
  <p>I have an error</p>
  
  <blockquote>
    <p>Thread 1: Fatal error: Unexpectedly found nil while unwrapping an
    Optional value</p>
  </blockquote>
  
  <p>Please help me fix it.</p>