Similar to multipipe?

Just wondering if this package and @juliangruber's [multipipe](https://github.com/juliangruber/multipipe) solve the same problem. I've happily been using the latter but pumpify has more npm installs, so if there's a reason why I should be using one or the other, I'm happy to hear you out.

> DISCLAIMER: Similar to https://github.com/juliangruber/multipipe/issues/40 😆

This is a comparison question, not a scoped code task; no file, test, entry point, or acceptance criterion is named. Start by comparing pumpify with the linked multipipe project and document the concrete differences and when to use each, if the maintainers decide an answer belongs in project documentation.

Written by the indexing model from the issue text.