Version 1.0.0

- uses my Adafruit_GFX clone Fruitless_GFX
- download Fruitless_GFX as ZIP from https://github.com/ZinggJM/Fruitless_GFX
- install Fruitless_GFX using Library Manager Add .ZIP Library method
- GFX_FontExtension doesn't need namespaces with Fruitless_GFX or actual Adafruit_GFX