Optimizations for testing.

Merge pull request #6 from vapor-community/protocols

Protocols and optimizations for testing.

Cleanup for detecting credentials and convenience to retrieve Storage object data

Merge pull request #4 from digits/authenticated-request-refactor

Support Data requests in StorageRequest

Better Service account support.

Merge pull request #2 from digits/broad-credential-support

Google JSON Credential Support

Better error handling.

Merge pull request #1 from vapor-community/error-handling

Error handling

Initial pre-release

0.0.1

Update README.md