creatur-5.9.28: ChangeLog.md

# Changelog for creatur

5.9.28 Upgraded to work with NixOS + cabal-install.

5.9.27 Upgraded to lts-12.16.

5.9.25 Fixed copyright year.

5.9.24 Revamped to work with Stack v1.7.1.
       Added exception handling.

## Unreleased changes