Release 3.1.0 (minor)

What's Changed

• Add Dictionary results by @typicalninja in #3
• Add Date time results by @typicalninja in #4
• Add Currency conversions results by @typicalninja in #5

Full Changelog: v3.0.0...v3.1.0
Install the latest "minor" release: https://www.npmjs.com/package/google-sr