 
 		textStorage.setAttributedString(finalizedText)
 
-		_finalizedText = finalizedText.copy() as! NSAttributedString
+		_finalizedText = finalizedText.copy() as? NSAttributedString
 		_numberOfLines = nil
 
 		return finalizedText


	public var textColor = UIColor.darkTextColor() {
		didSet {
		guard textColor != oldValue else {
			return
		}

		updateFinalTextColor()
		}
	}


			default: return super.needsDisplayForKey(key)
			}
		}
		
		
		private var label: Label? {
			return delegate as? Label
		}
	}
	
	
	
	public enum VerticalAlignment {
		case Bottom
		case Center
