AIPlayer.java improvements
> AI will collect stats for truth/lie from player while taking cards from board
   + FixedSizeStats, not only boolean, to collect truth and lie in cases "N cards of truth and M cards of lies"
   + layerAuthors logic to remember, which player has put a certain cards layer
   + implemented notifyThisPlayerTakingCards(..) method
FIX finally fixed end game:
   > one more "Card.getCardIndex(Card.getCardValue(declaredValueIndex, ...), ...)" fixed
   > AI won't choose to check cards in case he needs to act by end game logic