Return a cleaned string with token sorted.

def _process_and_sort(s, force_ascii, full_process=True):
    """Return a cleaned string with token sorted."""
    # pull tokens
    ts = utils.full_process(s, force_ascii=force_ascii) if full_process else s
    tokens = ts.split()

    # sort tokens and join
    sorted_string = u" ".join(sorted(tokens))
    return sorted_string.strip()