public OrderNew(string pair, Exchange.Clients.Bittrex.OrderResult or) : base()
 {
     Pair     = pair;
     OrderIds = (or == null ? null : new string[] { or.Uuid.ToString() });
 }
 public OrderCxl(string pair, Exchange.Clients.Bittrex.OrderResult or)
 {
     Pair = pair;
 }