Exciting first step! Though it required a much more complicated Prebirth
Lisp than I was hoping to create. And I never intended to go into a full
Scheme implementation, but that's the route this is headed in. I just can't
stomach creating this full system in a block language.
With that said, the block language will still be able to work with all Lisp
code; you'll see.
* build-aux/bootstrap/birth.scm: Add beginning of Birth, capable of parsing
itself! Baby steps!