Before submitting your PR, check that you've:

- [ ] Bumped the version number
- [ ] Documented new APIs with [Haddock markup](https://www.haskell.org/haddock/doc/html/index.html)
- [ ] Added [`@since` declarations](http://haskell-haddock.readthedocs.io/en/latest/markup.html#since) to the Haddocks for new, public APIs

After submitting your PR:

- [ ] Update the Changelog.md file with a link to your PR
- [ ] Check that CI passes (or if it fails, for reasons unrelated to your change, like CI timeouts)

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