Only load one codeMirror instance

Dynamic lesson loading partially working.

More modularizing

Need to modularize things for future lesson example code.

Not much. #NoZeroDays

Can now run code from editor.

JS Source loading into editor

Initial codemirror commit.

Fix for last commit. I think this achieves parity with the first example.

Need to re-do flip_vertically to work line by line.

Merge branch 'master' of github.com:ssloy/tinyrenderer

Fixed

Back to not working as I try to implement flip_vertically()

Line is drawing!

Getting warmer. Implement bytespp.