Our lexer returns types with its tokens now.

Updated comment to be more accurate.

Import I/O support.

Added part7 - with basic string-support (#21)

Correctly install our CI-tools, before trying to run them (#19)

Added 'quit' as a built-in.

"dump" will bound-check the argument correctly.

Merge pull request #17 from skx/16-recursion

Document recursion

Allow recursive definitions.

Fixed broken markdown link

Link to the yal lisp interpreter

Avoid a nil!=nil test that is impossible

Avoid shadowing a variable

Link to critical