defaultdict

defaultdict
-----------

Nodejs port of python defaultdict

examples
--------

``javascript
var DefaultDict = require('defaultdict')

// create dict
var dict = new DefaultDict('baz');

// works like normal dict
dict.set('foo', 'bar');
dict.get('foo');
//=> 'bar'

// get undefined keys
dict.get('qux');
//=> 'baz'
``