primitive-unlifted-0.1.2.0: CHANGELOG.md

# Changelog
All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
and this project adheres to the [Haskell Package Versioning Policy](https://pvp.haskell.org/).

## 0.1.2.0 -- 2019-07-08

* Add `PrimUnlifted` instances for `MVar`, `IORef`, and `STRef`.

## 0.1.1.0 -- 2019-05-23

* Cannot remember what happened in this release.

## 0.1.0.0 -- 2019-05-17

* First version. Released on an unsuspecting world.