0.9.8

• Update README.md
• Check that pem exists before verifying it
• Fix User-Agent header
• Fix some lint errors
• Added test for OAuth2Client#request retry, fixed implementation
• Fixed returned toString encoding of OAuth2Client.prototype.decodeBase64 method.
• Use full compute metadata DNS name

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)

0.9.6

• Corrects return value in getRequestMetadata (@tbetbetbe)
• Fixed error code not being parsed correctly (@fiznool)

0.9.5

• Corrects usage of refresh token in jwtclient (@tbetbetbe)
• Adds an implementation of JWT Access authorization (@tbetbetbe)
• Adds getRequestMetadata() to the API surface (@tbetbetbe)
• Adds an implementation of IAM authorization (@tbetbetbe)

0.9.4

• Obtains the instance email and key from gtoken @stephenplusplus
• Switches from GAPIToken to gtoken @stephenplusplus
• Updates the sample @jasonall