Add bunch of TODO items

TODO

-- HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH vs LookupType::... mess
-- Rename LookupFlag::MarkAttachmentType to LookupFlag:IgnoreSpecialMarks
 - cmap14 support in get_glyph callback
 - size_t?
-- Figure out compiler selection (add test for link to libstdc++)
+- Add test for linking to libstdc++
 - Rename MEMORY_MODE to ACCESS_MODE
+
+- Move unicode_funcs to buffer
+
+hb-ot:
+- Fix ot query APIs
+- Rename hb_internal_glyph_info_t to hb_ot_glyph_info_t
+- Add query API for aalt-like features
+- HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH vs LookupType::... mess
+
+hb-ft:
+- Add hb_ft_create_face()?