v0.5.1

Bug Fixes

• reduce bundle size (#17) (a978c7d)
• verify public key exists in validator (#21) (602e27f)

BREAKING CHANGES

• method createWithExpiration signature changed

expiration param changed from time of the record (in nanoseconds) to datetime for record in the [RFC3339]{@link https://www.ietf.org/rfc/rfc3339.txt} with nanoseconds precision