Parser is in place. 
Ditched well-scoped for now.

Fixed more issues, started processing stuff, we need real example code.

Parser:
- [x] import statement
- [x] def
- [x] simple decl
- [ ] fix / test parsing and pretty printing
- [ ] inductive types
- [x] read files
- [ ] process a file
- [ ] figure out context representation - Global context?
- [ ] type checking / elab
- [ ] error printing
- [ ] 
- [ ] 
- [ ] symbolic execution
- [ ] compilation

- [ ] write tests