8.0.2 Reformatted source code.
8.0.1 Switch to Nix flake builds. Update copyright year.
8.0.0 Grids and Maps now implement Read.
7.8.16 De-linting.
7.8.15 Simplified nix config again.
7.8.14 Simplified nix config.
7.8.13 Updated copyright year.
7.8.12 Revamped to work with Nix + cabal-install.
7.8.11 Revamped to work with Nix + Stack.
7.8.10 Revamped to work with Stack v1.7.1.