plataformatec/show_for — pull request #58 by aptinio (2013-01-28 21:00:31+00:00)
Title: TypeError encountered when a SimpleDelegator is used as an attribute

When I use show_for with a `SimpleDelegator` attribute, I get the ff. error:
```
TypeError: can't convert Money into String
```
In this case, `Money` is a subclass of `SimpleDelegator`.