Encoded model objects

Example object: 

``` ruby
class User < ActiveRecord::Base
  attr_accessible :name
  has_many :posts
  belongs_to :supreme_leader
end
``` 

Coders look like: 

```ruby
{ :class => User( id: integer, name: string, created_at: datetime, updated_at: datetime, supreme_leader_id: integer),
  "attributes" => { "id" => nil, "name" => nil, "created_at" => nil, "updated_at" => nil,  "supreme_leader_id" => nil } }
```

That's what's written to memcached.