aces now worth 11 or 1

src/main/java/io/zipcoder/casino/BlackJack.java

@@ -130,8 +130,16 @@ public class BlackJack {
 
     private int calcHand(ArrayList<Card> hand) {
         int totalScore = 0;
+        int aceCount = 0;
         for (int i = 0; i < hand.size(); i++) {
             totalScore += getCardValue(hand.get(i));
+            if(getCardValue(hand.get(i)) == 11){
+                aceCount++;
+            }
+        }
+        if(totalScore > 21 && aceCount > 0){
+            totalScore -= 10;
+            aceCount--;
         }
         return totalScore;
     }