proto-lens-optparse-0.1.0.4: Changelog.md

# Changelog for `proto-lens-optparse`

## Unreleased changes

## v0.1.0.4
- Bump the dependency on `base` to support `ghc-8.2.1`.

## 0.1.0.3
- Bump the dependency for `optparse-applicative-0.14`.

## 0.1.0.2
- Bump the dependencies for `optparse-applicative-0.13` and
  `proto-lens-0.2`.

## 0.1.0.1
- Bump the dependency on `base` to support `ghc-8.0`.


## 0.1.0.0
Initial version.