More fixes

• Remove redundant tests in Makefile
• Replace deprecated Resampling.NEAREST with Image.Dither.NONE
• Fixes to ∄, dec_vt, 𝗞, ¶, £, ¢
• Simplify /, 𝟠, ➥, ➦, fix fat /

Better condensed, fixes, improved testing

Fix WOFF major version
Remove unnecessary Adobe XUID
Change width for semi-condensed and condensed versions
Add sample images for each font variation
Scale glyphs before making the bounding box narrower
Generate a ‘PfEd’ table and store glyph comments in the PS font
Change OTF flags - don't generate glyph map remove PS-related flag
Added building blocks for Kaypro octants
Fix ӗ, ⇵, ㄍ, , p, n
Re-add Ogham bar
Added a social preview image
Added note to README on build dependencies
Added ⋈, ⨝, ⋉, ⋊, Ō, ŕ, ˅, ѐ, ӕ, ⇑, ⇓, ∔, ✙, ⌁
Added 4-dotted numbers to rendering sample
Moved ⃛ and ⃜ up away from topline
Add GitHub workflow for testing
Fix cache clear utility
Update requirements.txt

Lots of fixes and new glyphs

• Swap ⊓ and ⊔
• Fix ˜ (make it different from ~)
• Fix F, G, L, Ģ, ģ, €, a, Њ, њ, ª, q, r, ă, 𝔾. 𝕗, 𝕣, 𝗮, 𝗾, 𝗿, 🬭, 🬮,
  🬼, 🬽, 🬾, 🬿, 🭀, 🭂, 🭄, 🭆, 🭍, 🭏, 🭐, 🭒, 🭓, 🭕, 🭖, 🯆, 🯇, 🯈,
  ԍ, 🯉, ↉, ⅒, ↩, ↪, ❌
• Point to SIL license using HTTPS URL
• Add ╵, ╷, ╶, ╴, and ⃛
• Use a constant to set which font file to use

New glyphs, some fixes.

• Add '⋅'
• Add "╭", "╮", "╰", and "╯". Fixes #89
• Improve ▴, ►, ▾, ◄
• Add missing glyph ▋, ▽, △

APL set fixes, combining chars, build process fixes, fix derived font names

• Add a hooks folder with a suggested pre-commit hook
• Add APL and BQN glyphs ⊂, ⊃, ⊆, ⊇, ⊏, ⊐, ⊑, ⊒, ⊔, ⊓, ⊕, ⊖, ⊗, ⊘, ⊙, ⌾,
  ⊝, ⋆, ⌈, ⌉, ⌊, ⌋, ⁼, ⇐, ⇒, ⊸, ⟜, ⟨, ⟩, ⋄, ∧, ∨, ⊢, ⊣, ⊤, ⊥, ≢, ⚇, ⎉,
  ⎊, ◴, ◵, ◶, ◷, ⥊, ⥋, ∾, ‿, ↩, ↪, ≍, 𝕩, 𝕨, 𝕤, 𝕣, 𝕘, 𝕗, 𝕏, 𝕎, 𝕊, 𝔾, 𝔽
• Modify some glyphs to improve consistency in APL and BQN code: ¬, ⌙,
  ⌜, ⌝, ⌞, ⌟, •, ∩, ⌐, ○, ∪, ∘, ⍷
• Fix ●
• Add combining glyphs ̉, ̍, ̎, ̏, ̐, ̑, ̒ , ̓ , ̔ , ̕ , ̖ , ̗ , ̜ , ̘ , ̙ , ̚ , ̛ , ̜ ,ㄍ,
  ̞ , ̟ , ̠ , ̡ , ̢ , ̣ , ̤ , ̥ , ̦ , ̧ , ̨ , ̩ , ̪ , ̫ , ̬ , ̭ , ̮ , ̯ , ̰ , ̱ , ̲ , ̳ , ̴ ,
  ̵ , ̶ , ̷ , ̸ , ̹ , ̺ , ̻ , ̼ , ̽ , ̾ , ̿, ̀ , ́ , ͂ , ̓ , ̈́ , ͅ , ͆ , ͇ , ͈ , ͉ , ͊ , ͋ , ͌ ,
  ͎ , ͍ , ͐ , ͑ , ͒ , ͓ , ͔ , ͕ , ͖ , ͗ , ͘ , ͙ , ͚ , ͛ , ͜ , ͝ , ͞ , ͟ , ͠ , ͡ , ͢ , ͣ , ͤ ,
  ͥ , ͦ , ͧ , ͨ , ͩ , ͪ , ͫ , ͬ , ͭ , ͮ , ͯ .
• Add ँ, ʻ, ꭪, ꭫
• Add composing glyphs to rendering test
• Adjust derived font names
• Simplify cedilla, fix overlap in ç and Ç

Fixing tag format

This is exactly the same as tag v.2.1.0

Major update to internal spline representations, bug-fixes

• Update spline format to 3.2
• Fixed "🬉" (U+1fb09 - BLOCK SEXTANT-24) #71
• PEP-8 improvements to generate_sample_image.py
• Interim fix for pinned Pillow in gftools
• Update Travis environment to Ubuntu Focal and Python 3.8

Symbols for Legacy Computing

• Fixes to all half, quarter and eights blocks, ░, ▒, ▓, ⍲, X, Ò, Ó, Ô,
  Õ, Ö, Ō, ō, Ŏ, ￩, ￪, ￫, ￬
• Make APL chars look nicer
• Adjust OS/2 metrics
• Set vertical advance to 0
• Added vertical metrics
  (https://fontforge.org/fontinfo.html#PS-General)
• Removed 🍺, 🍻, 💖, 💡, 😪
• Added ➥, ➦, Unicode 13 Symbols for Legacy Computing
• Sample rendering now includes blurred easily confused pairs
• Added sample generation using actual terminal software (on Linux) so
  that the README file shows a current version of the font.
• Branch cleanup (back to master/develop)

Lots of fixes, lots of linting.

Skipping FontBakery tests on TravisCI for now
Makefile now defaults to help target instead of font
Build script and Makefile fixes
Glyph simplification and composition improvements
Adjust unitsPerEm to 2000, update generate_derived.pe
Added correct foundry identifier (3270)
Renamed base font
Added ⁴, −
Removed slots below 0x1f

Multiple bug fixes, better metadata

• Add ★, ⚑, ✚
• Instal .ttf files by default
• Set grid fit and anti-alias to all sizes
• Added SIL license to the font file
• Adjusted font name, family name and derived font names
• Force width to 540 units when building derived fonts
• Set ΤεΧ space to 540 (normal glyph width)
• Set Italic Angle to 0
• Set OS/2 Style Map to Regular
• Update copyright notice
• Sorted symbols in the SFD file