Prismatic/schema — pull request #136 by abp (2014-08-12 10:02:51+00:00)
Title: Make find-extra-keys-schema public

For coercions on map-schemas `find-extra-keys-schema` can be useful, so this patch makes it public.

As proposed by @w01fe in https://groups.google.com/forum/#!topic/prismatic-plumbing/SaOBraHzoHE