Updated Phalcon\Mvc\Model::toArray
Using latest Zephir
Using latest Zephir
Fixes #2941
Fix undefined variable
adding yaml and unit test
Merge pull request #2944 from duythien/dev/yaml

adding yaml and unit test
Merge pull request #2866 from dreamsxin/model_toarray2

Updated Phalcon\Mvc\Model::toArray
Coding style
Avoiding timed-attacks in Security::checkHash
Merge remote-tracking branch 'upstream/2.0.0' into 2.0.0