ascii: change >words not to use split*.
splitting: removing split* to extras.
splitting.extras: adding split* and split-find.
benchmark.splitting: stop using split* and use slices only.
editors.textadept: use "-e goto_line(n-1)".

(as suggested by Mitchell@foicica.com on the textadept mailing list)
math.functions: remove round-to.
math.extras: adding round-to-decimal.
math.extras: adding round-to-step.
sorting.extras: adding map-sort for efficiently decorating, sorting, and undecorating a sequence.