bugfix, misc cleanup

* change 'steve' to 'steven' in hand list
* detect Ace-bottomed straights
* add Casey to player list

hand.rb

@@ -31,7 +31,11 @@ class Hand
 		ranks.each { |s| rank_counts[s] += 1 }
 
 		# test for straight & flush
-		straight = (ranks.sort == (ranks.min .. ranks.max).to_a)
+		straight = 
+			ranks.sort == (ranks.min .. ranks.max).to_a ||
+			ranks.sort == [2,3,4,5,14]                  ||
+			ranks.sort == [2,3,4,5,6,7,8,9,10,14]
+
 		flush = (suits.sort.uniq.size == 1)
 
 		# rank hand