jrhe/grape-active_model_serializers — pull request #3 by johnallen3d (2013-05-16 00:50:53+00:00)
Title: Support for namespace options

I had a scenario where I wanted to manually set the serializer for all routes inside of a namespace like so:

```ruby
namespace 'user', :serializer => :bar do
get "/" do
end

get "/:id" do
end
end
```