v0.2.1: Merge pull request #5 from place-labs/ci/github

Change pipeline from travis to github

v0.2.0: Merge pull request #4 from place-labs/chore/1.0.0

Crystal v1 bump

v0.1.1

Merge branch 'master' of https://github.com/place-labs/jwks

v0.1.0 (first-release)

Currently supports:

• Public RSA-encoded JWKS
• Caching