Merge pull request #39 from fastly/release-0.6.0

Release v0.6.0

🎁 Release v0.5.0

Symlink docs to crate directory, release v0.4.2

Release v0.4.1

Release v0.4.0

unstash type changes and update version to 0.4.0-pre4

Bump version to `0.4.0-pre3`

Refactor main entrypoint to allow for custom output streams

Update dependencies

Release version 0.3.1