public string InsertionSort(int[] toSort)
        {
            string sortedArray = "";
            start = DateTime.Now;
            for (int edge = 0; edge < toSort.Length; edge++)
            {
                for (int inSorted = edge; 1 < inSorted && toSort[inSorted] < toSort[inSorted - 1] ; inSorted--)
                {
                    int tmp = toSort[inSorted];
                    toSort[inSorted - 1] = toSort[inSorted];
                    toSort[inSorted] = tmp;
                }
            }
            stop = DateTime.Now;
            for (int i = 0; i < toSort.Length; i++)
            {
                sortedArray += toSort[i] + " ";
            }
            return sortedArray + (stop - start);
        }