-General fixes:
-=============
-
-- Implement 'rand' feature.
-
-
API issues:
===========
- Add hb-cairo glue
-- Add sanitize API (and a cached version, that saves result on blob user-data)
-
-- BCP 47 language handling / API (language_matches?)
-
-- Add hb_font_create_unscaled()?
+- Add sanitize API.
- Add query / enumeration API for aalt-like features?