Clean up doc generator to work with new AST.
Checkout files from bd387d939b35757b2e86325c2c6c816e2ec6a049.
Merge branch 'master' of github.com:brownplt/pyret-lang
refactor to have an explicit datatype
remove file that got renamed to test-s-exp
minor docs fixes, and add docs for s-exp
Cleanup whitespace in *-tokenizer.js