Fix example usage in README.
Merge pull request #5 from jdutil/patch-1

Fix example usage in README.
Adding soft failure warnings via logging
Add example using params. Fixes #6
Merge pull request #7 from jdutil/patch-2

Add example using params. Fixes #6
Make spec more rigorous.
Merge pull request #9 from jdutil/fix_soft_mode

Make spec more rigorous.
Helpful failure messages
Version bump
Update README.md

Restoring wrong-SHA to make example clear
Will now suggest SHAs for sealing on its own
Maintain and present a history of [re]definitions
Version bump
typo
Exposing API for determining arity
Version bump