public static List<Contact> CloseContacts(this IBucketList _contactCache, ID target, ID excluded)
 {
     return _contactCache.CloseContacts(target)
             .Take(8 * ID.ID_LENGTH)
             .Where(x => x.GetID() != excluded)
             .ToList();
 }
 public static List<Contact> CloseContacts(this IBucketList _contactCache, int count, ID target)
 {
     return _contactCache.CloseContacts(target)
             .Take(count).ToList();
 }