/// <summary>
 /// Save object
 /// </summary>
 /// <param name="obj">Object instance</param>
 /// <returns>True if successfull</returns>
 public bool Save(ExchangeCredential obj) => exchangeObjectRepository.Save(obj);
 /// <summary>
 /// Delete object instance
 /// </summary>
 /// <param name="obj">Object instance</param>
 /// <returns>True if successfull</returns>
 public bool Delete(ExchangeCredential obj) => exchangeObjectRepository.Delete(obj);