Bump upper bound on base to <4.17

See merge request !5

Bump stackage snapshot to lts-18.14

See merge request !4

Upgrade to LTS 17.8 and bump base dependency

Closes #2

See merge request !3

Add .gitlab-ci.yml

See merge request !2

Because the project moved to Gitlab

The package builds fine with 4.13.0.0.

Because we migrated to git

Thanks to Peter Simons for testing!

The branching model in this repository is changing, so this branch is
closed.

GHC 8.2 ships with base-4.10.
The package builds under GHC 8.2 after the bump.