Kick off a new development line
Parse the notation for line breaks within classes
Fix a bug with the plus sign slipping into classes
Move offsets out of the parsing code
Do not use bash array for the glyph index lookup

It has never been a good idea performance-wise. Take some few thousand
glyphs and just grepping the dump makes it several times faster.
Drop the incomplete anyway support for variations
Removing magic numbers
Deal with all word-alignment requirements explicitly