Shuffle.cs

//Matt Howells's Shuffler from http://stackoverflow.com/a/110570
public static void Shuffle<T>(this T[] array, Random random)
{
    int n = array.Length;
    while (n > 1)
    {
        int k = random.Next(n--);
        T temp = array[n];
        array[n] = array[k];
        array[k] = temp;
    }
}