Rewrote README to be more sane.
* Added tests for DELETE
* Renamed to PSigner internally
* Removed undeeded configuration sets
* Changed api to /api/cert globally
Merge pull request #1 from rodjek/clean_cert
Add support for `puppet cert clean`
Add DELETE /api/cert route to clean certs
Split reusable bits out into helper methods
Added some basic tests
Added security note.
Basic working version