v0.3.3

Changed

• Add support for uploading from a block device. #92
• Upgrade SNAFU. (#115, thanks, @shepmaster!)
• Unpin tokio. #129
• Update dependencies. #91, #94, #97, #98, #99, #102, #103, #105, #106, #109, #111, #112, #114, #115, #116, #117, #118, #119, #123, #124, #127, #130, #131, #132, #134, #135