 import UIKit
 
 extension NSLayoutConstraint {
-    class func fullWidthConstraintsWithView(view: UIView) -> [NSLayoutConstraint] {
+    public class func fullWidthConstraintsWithView(view: UIView) -> [NSLayoutConstraint] {
         return NSLayoutConstraint.constraintsWithVisualFormat("H:|[view]|",
             options: NSLayoutFormatOptions.DirectionLeftToRight,
             metrics: nil,

        )
    }

    convenience init(bottomOfView view1: UIView, toView view2: UIView, distance: CGFloat = 0) {
        self.init(
            item: view1,
            attribute: .Bottom,

        )
    }

    public convenience init(topOfView view1: UIView, toView view2: UIView, distance: CGFloat = 0) {
        self.init(
            item: view2,
            attribute: .Top,
