patrickgombert/erlang-koans — pull request #6 by bentrevor (2013-06-04 15:31:17+00:00)
Title: More consistent ?ReplaceMe in about_boolean_expressions

Every koan in `about_boolean_expressions` has either `true` or `false` as the answer, so the weird syntax koan was a bit out-of-place.

Also, I added more detailed instructions for installing from Homebrew because their default version is behind.