Find if a module is a built-in node module
npm install isbuiltinTells you if the string you pass in is a built-in node module
```
npm install isbuiltin --save
`
var isBuiltIn = require('isbuiltin);
isBuiltIn('console');
=> true
isBuiltIn('woosh');
=> false
`
```
npm install && npm test
MIT © Deepak Kapoor