Document modules.
Improve handling of invalid FontConfig data.
Fuzz test roundtrip conversions between C & Haskell datastructures!
fuzz-test MessagePack implementations.
Constrain public API.
Implement utils for loading queried fonts.
Implement Stylist traits for FontConfig patterns!
Finish initial redraft
Write init/finalize & pattern language bindings, haskell-side!
Datamodel FontConfig in Haskell.