…f ttf/otf (#9)

* use reference glyphs

* fixed a derp

* ...i messed up, this fixes my mess up

* use sfd instead of svg

* use exceptions for error handling

* 🅱️

* ⛳🅱️

* awoo

* fix readme

* update README.md

* added release mode

* update readme.md

* fix typo

* fixed placement of 6 char long codepoints

* tweaked horizontal spacing of glyphs

* detect adjacent instead of overlapped ranges

* formatting

* quotes

* minor fixes

Bar updates correctly
Files are named correctly
Release build now operates in the correct range

* use custom formatter class for ranges