Code needs to be updated for Xcode 10 / iOS 12

[ethanwa]

Getting some errors when trying to build.

[ethanwa]

Specifically:

public override init(frame: CGRect) { titles = Array<String>() visible = true super.init(frame: CGRect.zero) initialize() }
public required init?(coder aDecoder: NSCoder) { titles = Array<String>() visible = true super.init(coder: aDecoder) initialize() }