v1.4.0-vimeo1

• Update to upstream v1.4.0
• Add concurrent API requests for GCS compose and delete operations

v1.1.0-vimeo2

• Add support for deferred upload length in GCS store #8
• Allow setting a custom Upload ID for FileStore #7
• Remove writing of info file in GCS in GetInfo method #9

v1.1.0-vimeo1

• Handle FinishUpload/compose call with empty object names tus#360 (#3)
• Cancel WriteObject context on GCS copy error (#6)