world-peace-1.0.0.0: CHANGELOG.md

## 1.0.0.0

*   Add the functions `relaxOpenUnion` and `relaxUnion` for being able to add
    additional types to an `OpenUnion`. [#3]
*   Add the functions `openUnionRemove`, `unionRemove`, `openUnionHandle`, and
    `unionHandle` for being able to pull individual types out of an
    `OpenUnion`. [#3]

## 0.1.0.0

*   Initial release.