 public enum SirenVersionCheckType : Int
 {
     case Immediately = 0    // Version check performed every time the app is launched
-    case Daily = 1          // Version check performedonce a day
+    case Daily = 1          // Version check performed once a day
     case Weekly = 7         // Version check performed once a week
 }
 

    var appID: String?
    
    /**
        The view controller on which will present the instance of UIAlertController.
        
        It is recommended that you set this value to window?.rootViewController before calling checkVersion()
    
        This property must be set before calling
    */
    var presentingViewController: UIViewController?
    

/**
    Determines the frequency in which the the version check is performed
    
    - .Immediately: Version check performed every time the app is launched
    - .Daily: Version check performedonce a day
    - .Weekly: Version check performed once a week

