public DE_IFMO_Checker()
     : base()
 {
     DE_IFMO_Cookies = new CookieContainer();
     checker = new DataComparator();
     success = true;
 }
 public DE_IFMO_Checker(string login, string password)
     : base()
 {
     DE_IFMO_Cookies = new CookieContainer();
     checker = new DataComparator();
     if (!UserFileExists())
         GetUserInfo(login, password);
     else
         success = true;
 }