development: added a Divider object to a CollectionViewCell

Sources/iOS/CollectionView.swift

@@ -121,6 +121,6 @@ open class CollectionView: UICollectionView {
 	open func prepareView() {
 		contentScaleFactor = Device.scale
 		backgroundColor = Color.clear
-		contentInset = UIEdgeInsets.zero
+		contentInset = .zero
     }
 }

Sources/iOS/CollectionViewCell.swift

@@ -33,6 +33,9 @@ import UIKit
 @IBDesignable
 @objc(CollectionViewCell)
 open class CollectionViewCell: UICollectionViewCell {
+    /// A reference to the divider.
+    open internal(set) var divider: Divider!
+    
     /**
      A CAShapeLayer used to manage elements that would be affected by
      the clipToBounds property of the backing layer. For example, this
@@ -274,6 +277,7 @@ open class CollectionViewCell: UICollectionViewCell {
 	open func prepareView() {
 		contentScaleFactor = Device.scale
 		prepareVisualLayer()
+        prepareDivider()
 	}
 	
 	/// Prepares the visualLayer property.
@@ -289,4 +293,9 @@ open class CollectionViewCell: UICollectionViewCell {
 		visualLayer.frame = bounds
 		visualLayer.cornerRadius = cornerRadius
 	}
+    
+    /// Prepares the divider.
+    private func prepareDivider() {
+        divider = Divider(view: self)
+    }
 }