undefined method `acts_as_textcaptcha' || undefined method `key?' for nil:NilClass

[David John]

I had to add "extend ActsAsTextcaptcha::Textcaptcha" to my tableless model for this to work.

Neat gem.

[Matthew Hutchinson]

Note really an issue, but i've updated the README (ac33fd5) to reflect this none-the-less 👍