-   CHANGELOG.md: Replace "Unreleased" with release and date.

-   Cargo.toml: Ensure version is correct.

-   Cargo.toml: Remove `publish = false`.

-   `( V=0.2.0 ; git add -A ; git commit -m "Release $V" ; git tag -a -m "Release $V" "$V" ; )`

-   Cargo.toml: Add `publish = false`.

-   CHANGELOG.md: Add "# 0.x.x - unreleased"