po-se/pose — pull request #24 by einzige (2013-08-18 08:56:10+00:00)
Title: Allow methods list for pose block

This is for doing things like:

```ruby
class MyModel < ActiveRecord::Base
posify :field_1, :field_2, :my_method_3

def my_method_3
"generated text"
end
end
```