- Make empty lines [] not [""]
- Better detection of empty spaces
- Decide whether to add roll (shift string right (and maybe left))?, translate and more complex number things e.g. factor
- Add other operators to tutor? Introduce preinitialized variables?
- Use one charcoal instance for new charcoal (lambdafy) maybe?
- zip
- Make ASTProcessor lines <80 chars
- Make lambdas not print result if they also return it