https://hackage.haskell.org/package/GLUT-2.7.0.6/docs/Graphics-UI-GLUT.html
http://mcfunley.com/haskell-mandelbrot-set
http://projects.haskell.org/diagrams/haddock/Data-Colour-Palette-Harmony.html
http://yannesposito.com/Scratch/en/blog/Haskell-OpenGL-Mandelbrot/
https://en.wikipedia.org/wiki/Mandelbrot_set#Escape_time_algorithm