0.12.0

This minor release contains following new features:

• Add support for creation-defer-length for S3Store (#219, #228 and #233)
• Allow setting tusd's HTTP response code from HTTP hooks (#236)
• Add support for binding tusd to UNIX sockets (#265)

It also contains following bug fixes:

• Do not ignore errors when writing an object to Google Cloud Storage
• Reclaim space from deleted uploads in limitedstore