jnunemaker/mongomapper — pull request #403 by eric1234 (2012-04-06 22:07:17+00:00)
Title: More intuitivate :required => true for Boolean types.

key :flag, Boolean, :required => true

Will use validates_inclusions_of :flag, :in => [true, false] instead of validates_presence_of (which doesn't work on Boolean types).