symfony/symfony — pull request #4006 by ruian (2012-04-19 10:49:36+00:00)
Title: Add Support for boolean as to string into yaml extension

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: 3992
Todo:
- Maybe use only boolean checker instead of YamlDumper->dump