use arena for interning types too

use arena for interning strings

gencopy (?)

recognize i686

add some targets

tweak makefile

on big aggregates big, use a hash map to lookup fields

check for duplicate fields faster using bloom filter

replace instances of streq with ==

where strings are interned, this is ok. this was the intention of
interning strings from the beginning.

disallow duplicate fields

fix memory leak

fix filepaths set edge case

add readme

relax block comment lexing requirements

fix typo

tweak cli options

static bitfield initializers

disallow mutating elements of const array

makefile install

remove nesemu1