Added some array utils.

src/poker/card.c

@@ -21,4 +21,8 @@ void cardDeal(card_t *source, uint8_t *sourceSize, card_t *dest,
   i = *destSize;
   dest[i] = card;
   *destSize = i+1;
+}
+
+void cardHandSort(card_t *cards, uint8_t length) {
+  arraySortUint8(cards, length);
 }