title: Unrecognised selector error for a UITableView in TabBarController
body: <p>My app use <code>MMDrawerController</code>in order to implement a left drawer which handle a simple menu. A entry of this menu refers to a <code>UITabController</code> which I instantiate in this way.</p>
  
  <pre><code>mainWindowController = self.storyboard?.instantiateViewControllerWithIdentifier("UITabBarController") as! UITabBarController
  </code></pre>
  
  <p>Now, the first <code>UIViewController</code> used by the TabController has a table view which uses a custom <code>UIViewCell</code>. The class for the custom cell is this:</p>
  
  <pre><code>class NewsCell: UITableViewCell {
  
  @IBOutlet weak var title: UILabel!
  @IBOutlet weak var date: UILabel!
  @IBOutlet weak var newsText: UILabel!
  
  override func awakeFromNib() {
      super.awakeFromNib()
  }
  
  override func setSelected(selected: Bool, animated: Bool) {
      super.setSelected(selected, animated: animated)
  }
  </code></pre>
  
  <p>}</p>
  
  <p>I checked that the outlets are properly connected with the correct storybook element. However, my app crash at this instruction,</p>
  
  <pre><code>func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -&gt; UITableViewCell {
      let cell = tableView.dequeueReusableCellWithIdentifier("NewsCell", forIndexPath: indexPath) as! NewsCell
  </code></pre>
  
  <p>with the following error: <code>exception 'NSInvalidArgumentException', reason: '-[UILabel isEqualToString:]: unrecognized selector sent to instance 0x7ff4d362a6f0'</code>. </p>
  
  <p>It seems like I have no set the proper identifier in my inspector; however, obviously, I have done it. The situation of my storyboard is this:</p>
  
  <p><a href="https://i.stack.imgur.com/SA0lf.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/SA0lf.png" alt="enter image description here"></a></p>
  
  <p>Do anyone have any suggestions which can explain this problem? I hope I made myself clear.</p>