powmedia/backbone-deep-model — pull request #56 by beenokle (2013-01-22 15:57:53+00:00)
Title: Fix for "set" method with empty options

When you call `deepmodel.set('key', value)` it fails in backbone validate method, because `_validate` expects defined properties objects:

```js
_validate: function(attrs, options) {
if (!options.validate || !this.validate) return true;
...
```