tmaeda/as_foo — pull request #2 by ursm (2014-12-07 02:25:38+00:00)
Title: Fix incorrect usage of named arguments

When some arguments are passed to `#as_html`, `method` will be always nil.

``` irb
>> '

hi

'.as_html(with: :w3m)
ArgumentError: unexpected method
from /home/ursm/src/as_foo/lib/as_foo/as_html.rb:10:in `as_html'
```