Revert "Convert non-string-ish types to strings"

This reverts commit 7412f8725187670d0cdd4d427dcf53c0032446bd.

Bad idea was a bad idea
Revert "Release 0.2.1"

This reverts commit f80ff0db85c5ec8d930be2d907d8b2d79361cf10.

No need to have release history if there's no release.