sonata-project/SonataAdminBundle — pull request #1635 by michelsalib (2013-09-12 08:34:08+00:00)
Title: Fix issue where "sonata_type_boolean" could not be binded to a Doctrine boolean

Whith TYPE_NO = 2, it becomes "true" when casted to boolean by doctrine. I just tested it against symfony 2.3 and it works way better :)

Credit goes to @bactisme for pointing me that bug.