MacBook-Air-di-Marco-Stranieri:raven mstranieri$ node app
/Users/mstranieri/Documents/sites/raven/node_modules/moog/index.js:313
if (key.substr(0, 2) === '__') {
^
TypeError: key.substr is not a function
at /Users/mstranieri/Documents/sites/raven/node_modules/moog/index.js:313:19
at Function.forEach (/Users/mstranieri/Documents/sites/raven/node_modules/moog/node_modules/lodash/dist/lodash.js:3298:15)
at applyOptions (/Users/mstranieri/Documents/sites/raven/node_modules/moog/index.js:309:11)
at /Users/mstranieri/Documents/sites/raven/node_modules/moog/index.js:226:15
at iterate (/Users/mstranieri/Documents/sites/raven/node_modules/moog/node_modules/async/lib/async.js:146:13)
at Immediate.<anonymous> (/Users/mstranieri/Documents/sites/raven/node_modules/moog/node_modules/async/lib/async.js:157:25)
at runCallback (timers.js:574:20)
at tryOnImmediate (timers.js:554:5)
at processImmediate [as _immediateCallback] (timers.js:533:5)
MacBook-Air-di-Marco-Stranieri:raven mstranieri$ npm -v
3.10.3
MacBook-Air-di-Marco-Stranieri:raven mstranieri$ node -v
v6.6.0