pyromaniac/mongoid_orderable — pull request #20 by mrjlynch (2014-01-11 15:22:50+00:00)
Title: Add next and previous item methods

I have added two more useful methods to move through lists.

```ruby
item.next_item # returns next item in the list.
item.previous_item #returns previous item in the list.
```

Readme and tests have been updated and are passing.

Thanks