  `ToastManager` provides general configuration options for all toast
  notifications. Backed by a singleton instance.
 */
-class ToastManager {
+public class ToastManager {
     
     /**
      The `ToastManager` singleton instance.

import UIKit
import ObjectiveC

enum ToastPosition {
    case Top
    case Center
    case Bottom

 sense to create your own custom UIView subclass and present it with the `showToast`
 methods.
*/
public struct ToastStyle {
    
    /**
     The background color. Default is `UIColor.blackColor()` at 80% opacity.
