Enables using Checksum Algorithm and adds Progress Events

What's Changed

• Enable support for checksum calculation by @mwilde in #7

New Contributors

• @mwilde made their first contribution in #7

Full Changelog: 1.1.0...1.2.0

Targets .Net Standard 2.0

What's Changed

• Targets .net standard 2.0 by @alexdow-hc in #6

New Contributors

• @alexdow-hc made their first contribution in #6

Full Changelog: 1.0.1...1.1.0

Improved Flush Logic

Attempting to flush outside Dispose when less than MIN_PART_SIZE bytes were buffered would cause an error, and now instead is simply a no-op.

Initial Release

Code for S3UploadStream and examples.