     
     // Wait until operation queue is empty
     public func waitUntilSynchronized(){
-        print(diskOperationQueue.operationCount)
         diskOperationQueue.waitUntilAllOperationsAreFinished()
-        print(diskOperationQueue.operationCount)
     }
     
     private func _deleteCache() {

                completion(nil)
            }
        }
        print(diskOperationQueue.operationCount)
    }
    
    

                folderName = strongSelf.name
            {
                let folderPath = strongSelf._folderPathFromFolderName(folderName, insideCacheFolder: true)
                strongSelf._createFolderIfNeeded(folderPath)
                
                let filePath = (folderPath as NSString).stringByAppendingPathComponent(FeedKitFileNames.genericArchiveName)
