 
 public struct File {
     
-    let timeStamp: String?
     public let id: String?
     public let created: String?
     public let name: String?

    init?(id:String?) {
        self.id = id
        created = nil
        timeStamp = nil
        name = nil
        title = nil
        mimeType = nil

    init?(file:Dictionary<String, AnyObject>?) {
        id = file?["id"] as? String
        created = file?["created"] as? String
        name = file?["name"] as? String
        title = file?["title"] as? String
        mimeType = file?["mimetype"] as? String
