mruby/mruby — pull request #1674 by cremno (2014-01-31 17:04:47+00:00)
Title: use mrb_bool, FALSE and TRUE more

It doesn't matter to me if one is using FALSE/TRUE instead of 1/0
but I prefer a type (alias) which emphasizes boolean vars to int.
I changed 1/0 to FALSE/TRUE anyway.