Convert to Swift 4.0 syntax

XIONControlPanel/Controllers/MainViewController.swift

@@ -37,11 +37,11 @@ class MainViewController: UIViewController, SwitchesViewControllerDelegate
         
         self.view.backgroundColor = UIColor.black
         
-        self.addChildViewController(_visualizationController)
+        self.addChild(_visualizationController)
         self.view.addSubview(_visualizationController.view)
         
         _switchesController.delegate = self
-        self.addChildViewController(_switchesController)
+        self.addChild(_switchesController)
         self.view.addSubview(_switchesController.view)
         
         self.view.addSubview(_headerView)

XIONControlPanel/Controllers/SwitchesViewController.swift

@@ -213,7 +213,7 @@ class SwitchesViewController: UIViewController,
             
             for i in ActionCell.count ..< collectionView.numberOfItems(inSection: indexPath.section) {
                 if let cell = collectionView.cellForItem(at: IndexPath(item: i, section: indexPath.section)) as? WemoDeviceCellView {
-                    let animOptions = UIViewAnimationOptions([.allowUserInteraction])
+                    let animOptions = UIView.AnimationOptions([.allowUserInteraction])
                     
                     UIView.animate(withDuration: 0.3, delay: currentDelay, options: animOptions, animations: {
                         cell.toggled = (tappedActionCell == .allOn)

XIONControlPanel/Controllers/VisualizationViewController.swift

@@ -179,7 +179,7 @@ class VisualizationViewController: UIViewController
     
     internal func _setupModel()
     {
-        _cubletsNode.enumerateChildNodes { $0.0.removeFromParentNode() }
+        _cubletsNode.enumerateChildNodes { (child, _) in child.removeFromParentNode() }
         _cublets.removeAll()
         
         let sz = Float(VisualizationViewController.cubletsSize)