Implemented Fisher–Yates shuffle. Assumes RNG function is in form getNumber(min,max), with min and max inclusive (Did not find documentation on function)

common/server_cardzone.cpp

@@ -45,7 +45,7 @@ void Server_CardZone::shuffle()
 {
 	for (int i = cards.size() - 1; i > 0; i--){
 		int j = rng->getNumber(0, i);//Assuming i is inclusive, i + 1 if exclusive (end result should be a number between 0 and i [0 and i included])
-		cards.swap(j,i)
+		cards.swap(j,i);
 	}	
 	playersWithWritePermission.clear();
 }