Find a co-maintainer for the project

[cheecheeo]

at-mention me on this ticket if you have interest!

[peti]

@cheecheeo, I'd be willing to co-maintain this library. I have code based on it that I cannot compile with ghc-8.6.1 right now, and I'd like to (help) remedy that issue.

[cheecheeo]

@peti I've invited you as a collaborator on the project, welcome!