dhruvaray/backbone-associations — pull request #129 by mrAdm (2014-03-29 16:22:07+00:00)
Title: Wrong model serialization

```javascript
var Foo = Backbone.AssociatedModel.extend({});
var Bar = Backbone.AssociatedModel.extend({});

var Baz = Backbone.AssociatedModel.extend({
relations: [
{
type: Backbone.One,
key: 'fooRel',
relatedModel: Foo,
serialize: ['name']
},
{
type: Backbone.One,
key: 'barRel',
relatedModel: Bar,
}
],
});

var foo = new Foo({name: 'John', age: 30});
var bar = new Bar({test: 1});

var baz = new Baz({'fooRel': foo, 'barRel': bar});

var json = baz.toJSON();
// => {fooRel: {name: 'John'}, barRel: {}} //bug.
```
Should be as follows: {fooRel: {name: 'Jonh'}, barRel: {test: 1}}
This occurs due to overwriting `options`.