haskell-ci-0.4: CHANGELOG.md

## 0.4

* Make default `--output` to be `.travis.yml`; use `--stdout` to output to standard output.
* Add GHC-8.8 support
* Use cabal-install-3.0 by default
* Experimental support for GHCJS jobs
* A lot of new configuration options

## 0.2.1

* `local-ghc-options` are always applied (independent of `copy-fields` value)
* Add GHC-8.6.4 to known compilers

## 0.2

* Large configuration rework