Lethal Casino Tweaks

Patches the LethalCasino mod so that its Blackjack game only reshuffles the deck when necessary (deck is empty or upon playing the first game). This is to make the game a bit more realistic and allow for card counting. It also modifies the shuffling so that it only shuffles back cards that are out of play, not ones on the table.

The deck model on the table is also updated to shrink as the number of cards in the deck decreases.