davincicoders/ruby_koans_bayendor — pull request #2 by bayendor (2013-07-27 17:05:03+00:00)
Title: Get all tests on about_nil_master to pass

* Learn about unique properties of nil in Ruby, and how it
responds to methods.

* Some responses by nil are representational, e.g.
nil.to_s returns "", but "".nil? is not true.

[#54145613]