Not a big deal but I think such a note would be helpful to a Thor newbie like
me. Knowing this I would not lose three days finding why my class doesn't
work.

... including tests and doc updates.

The opening paragraph of #directory rdoc is changed to contain explanation by
@workergnome (see rails#175).

Cucumber stories introduced

+ Introduced Cucumber support in the project
+ Added cucumber story to illustrate/test Thor::Actions#directory
  behavior
+ Added cucumber stories to illustrate/test #class_option behavior

Specs for new #convert_encoded_instructions beh-r

See the specs for new behavior documentation

New #convert_encoded_instructions beh-r impl.

New bahavior implemented:

+ Added private method call check
+ Added the corresponding Exception and error message

Added Cucumber to the Thorfile

New task is called "features"

Adjusted #directory documentation

Cucumber settings

cucumber.yml contains some default settings for Cucumber. It's good for use
when doing Autotest integration.