Document FcConfig language bindings, compile-fix exposing FontFaceParser.

Document FcRange bindings, expose FontFaceParser, & document LangResult enum.

Document FcLangSet language bindings.

Document FcCharSet language bindings.

Document FcValue language bindings.

Document FcObjectSet language bindings.

Document FreeType integration.

Document FcFontSet language bindings.

Document FcPattern language bindings.

Upload documentation on initialization/finalization routines.

Add API for dereferencing & rendering glyphs.

Transliterate FTFC into these FontConfig language bindings.

Expose convenience APIs for coercing values & pattern properties to a type.

Fix remaining segfaults.

Catch one FcFontSet segfault.

Parse src property for @font-face into custom FontConfig property.

Parse unicode-range property for @font-face.

Parse font-variation-settings property for @font-face.

Parse font-feature-settings for @font-face rules.

Parse font-weight & font-stretch properties for @font-face.