assert: 0.11.0
buffer: 0.11.0 (SlowBuffer)
child_process: not supported
path.js: 0.11.0 (process)
punycode.js: 0.11.0
querystring.js: 0.11.0 (urlDecode)
url.js: 0.11.0
util.js: compatibility
vm.js: not supported