Fixed another initialization case for sort_text.  Added new score related sort options.  Fixed string < number comparison in bucket sort.
Sort menu rewritten to use buckets, new sorts organized into buckets.  can_join can be in sort_info now.  dont_clip added to sort_info and bucket_sort params.  split_string_to_words and group_similar_buckets changed to use tostring to handle number names.  Dash and dot added as word separators for split_string_to_words.