build.py: Use json.dumps so that escaping is correct
Upgrade emscripten to 1.16.0
Remove lua/doit.sh, add build instructions to README
Overhaul of JS<=>Lua interop
Remove limitations from repl.html
size_t is 32bit
Fix accidental use of global intArrayFromString
repl: Fix accidental use of window before it was defined
Add __len metamethod that gets .length
Pass 'this' to lua functions
repl: Use textContent instead of innerHTML
Add .push method to Lua.Proxy
Fix new_ function (whitespace and var `ret`)
Factor out userdata creation into `pushjs` function
Check return value from tolstring
Make exports explicit; fixes some accidental globals
Retrieve the error message from inside of Lua.Error constructor
define MULTIRET and use it
Make sure all cases (including NONE) are handled in lua_to_js
Lua.State.push now handles Lua.Proxy objects