     /// - parameter usesSpinningWheel: A Bool that determines whether or not a spinning wheel indicator displays during download
     public func downloadImageFromURL(url: String, placeHolderImage:NSImage? = nil, errorImage:NSImage? = nil, usesSpinningWheel: Bool = false) {
         cancelDownload()
-    
+        
         isLoadingImage = true
         didFailLoadingImage = false
         userDidCancel = false

        toolTipWhenFinished = ttip2
        toolTipWhenFinishedWithError = ttip3
    }

    /// Remove all tooltips
    public func deleteToolTips() {
        toolTip = nil

        self.errorImage = errorImage
        imageDownloadData = NSMutableData()
        
        guard let URL = NSURL(string: url) else {
            isLoadingImage = false
            NSLog("Error: malformed URL passed to downloadImageFromURL")
            return
        }
        
        networkSession = NSURLSession.init(configuration:NSURLSessionConfiguration.defaultSessionConfiguration(), delegate: self, delegateQueue: NSOperationQueue.mainQueue())
        imageURLDownloadTask = networkSession!.downloadTaskWithURL(URL)
        
        imageURLDownloadTask?.resume()
        if usesSpinningWheel {
