Randomize a sequence of integers.

def sequence(minimum, maximum):
    """Randomize a sequence of integers."""
    function = 'sequences'
    opts = {'min': minimum,
            'max': maximum,
            'col': 1,
            'format': 'plain',
            'rnd': 'new'}
    deal = get_http(RANDOM_URL, function, opts)
    deal_arr = str_to_arr(deal)
    return deal_arr