jmoiron plays the blues

6241024c to jigo add a printer to get a better understanding of how things are nested
bdc97d4f to jigo start list implementation, multiple map-elem map literals
2f2916ee to jigo failing wip on passing stack state along to teach level of parse exprs
c600cff4 to jigo add strings and some missing bools and unary opers to the lexer, add some failing parser tests
9860dc11 to jigo start to formalize the grammar for expressions, literals, and types