PeterHamilton/active_model_serializers — pull request #1 by PeterHamilton (2013-04-03 16:05:12+00:00)
Title: Added the ability to filter ActiveSerializer attributes

e.g. for [attr1, :attr2, :attr3

```
{only: [:attr1, :attr2]} => :attr1, :attr2
{except: [:attr1, :attr2]} => :attr3
{only: [:attr1], except: [:attr2]} => :attr1
```

'only' takes precedence over 'except'