Test font weight conversion & font name parsing.
Test & fix langset comparisons.
Add docstrings everywhere!
Improve handling of invalid FontConfig data.
Fuzz test roundtrip conversions between C & Haskell datastructures!
Properly handle ambiguity in empty char/lang sets.
fuzz-test MessagePack implementations.
Implement utils for loading queried fonts.
Integrate fontsets with Haskell Stylist.
Implement Stylist traits for FontConfig patterns!
Improve memory safety & error checks.
Expose font weight adjustments & correct current-config refcount.
Write init/finalize & pattern language bindings, haskell-side!
Draft C-side wrappers for various FontConfig APIs.
Continue implementing C-side language bindings.
Implement a scanner on C-side (LibCMP doesn't provide it).
Fix C code, it compiles now!