v0.2.0

• Added gRPC support. (#67)
• Added Requests support. (#66)
• Added google.auth.credentials.with_scopes_if_required helper. (#65)
• Added private helper for oauth2client migration. (#70)

v0.1.0

First release with core functionality available. This version is ready for
initial usage and testing.

• Added google.auth.credentials, public interfaces for Credential types. (#8)
• Added google.oauth2.credentials, credentials that use OAuth 2.0 access and refresh tokens (#24)
• Added google.oauth2.service_account, credentials that use Service Account private keys to obtain OAuth 2.0 access tokens. (#25)
• Added google.auth.compute_engine, credentials that use the Compute Engine metadata service to obtain OAuth 2.0 access tokens. (#22)
• Added google.auth.jwt.Credentials, credentials that use a JWT as a bearer token.
• Added google.auth.app_engine, credentials that use the Google App Engine App Identity service to obtain OAuth 2.0 access tokens. (#46)
• Added google.auth.default(), an implementation of Google Application Default Credentials that supports automatic Project ID detection. (#32)
• Added system tests for all credential types. (#51, #54, #56, #58, #59, #60, #61, #62)
• Added google.auth.transports.urllib3.AuthorizedHttp, an HTTP client that includes authentication provided by credentials. (#19)
• Documentation style and formatting updates.