Update unlicense.
Add project definition.
Import code and tests from vault.
Add print-methods for public and secret keys.
Move stuff around in pgp ns.
Add lots of example usage to the README.
Fix some README typos.
Split pgp ns into multiple subfiles.
Update or skip tests to get a passing build.
Make subfiles proper namespaces.
Use Potemkin to import vars in main namespace.
Move util into pgp ns.
Clean up some ns references.
Bump snapshot version.
Update key and tag tests.
Add keyring tests.
Update unit tests.
Add travis-ci config.
Add build status badge.
Relocate test keyring resources.