Support v1 branch of Healthcare API

DeleteStudy/DeleteSeries requests now poll for operation completion.

Small improvements/bug fixes

Support downloading "application/octet-stream" format.
Handle 204 responses properly.
Pretty print XML error messages.

Initial Release

v1.0

Release v1.0

Minor improvements to store output

store now outputs the RetrieveURL(s) of the instances uploaded.

Bug fixes

More frequent progress reporting.
Fixed concurrency issue when downloading an entire store.

Bug fixes

v0.4

Upgrade to v0.4

Bug fixes

Merge pull request #28 from pavertomato/bugfix/contentType

revert of accidentally added = sign

Fix google.auth dep

Merge pull request #15 from pavertomato/bugfix/googleAuth

google.auth is replaced with google-auth

Test Release

Testing release process.