0.9.7

• Accept either "accounts.google.com" or "https://accounts.google.com" as the issuer of the ID token issued by Google. (@mcduan)
• Update to prevent status code 200 messages from being flagged as errors. (@ryan-devrel)
• Update async & request (@josephpage)
• Update oauthclient2.js (@riblee)
• Update README.md (@ofrobots)