More make / composer shenanigans.
More make / composer shenanigans.

- Try depending on files we're using, rather than on directories.
- Touch targets after building, since Composer leaves 'em alone if they're unchanged.
- I don't *think* we need to mess with the composer.lock / composer.json stuff. It seems to work if we just always install?
bobthecow/psysh,bobthecow/psysh