io.files: use split instead of split*.
splitting: change split* to preserve (separately) the separators.
ascii: adding >words, >title, and capitalize.
words.alias: definition is just the def>>.
see: fixing summary for ALIAS.
editors.textadept: make it work on Mac OS X.
splitting: add another test case to make sure we can access ... args.
Merge branch 'master' of https://github.com/slavapestov/factor into develop