 		}
 	}
 
-	private func setContentSize(_ pageCount: Int) {
+	private func setContentSize(pageCount: Int) {
 		let frame = rectClass.init(view.frame)
 		frame.size.relevant = frame.size.relevant * CGFloat(pageCount)
 		scrollView.contentSize = frame.rect.size


	enum Traversal { case next, prev }
	func goto(traversal: Traversal) {
		goto(page: currentPage + (traversal == .next ? 1 : -1))
	}

	private var presetPageCount: Int? = nil

			}
		}
		for page in remove {
			viewControllersByPage.removeValueForKey(page)
		}
	}
}
