injekt/slop — pull request #92 by kachick (2012-10-20 12:49:47+00:00)
Title: Accept second argument in Slop#repond_to?

Example

```ruby
Slop::VERSION #=> "3.3.3"
Object.new.respond_to?(:initialize, true) #=> true
Slop.new.respond_to?(:initialize, true) #=> ArgumentError: wrong number of arguments (2 for 1)
```