Merge pull request #2169 from odiel/2.0.0

Adding return hint for has() method
Using latest zephir
Merge branch '2.0.0' of http://github.com/phalcon/cphalcon into 2.0.0
Using latest Zephir
Using latest zephir
Merge pull request #2183 from odiel/2.0.0

Adding return false to getJsonRawBody
Using latest Zephir
Fixing how options are processed in Volt
Checking if class to construct has a contructor in zephir_create_instance_params
Fixing Phalcon\Di tests
Initial implementation of getUploadFiles [ci skip]
Adding phalcon_replace_paths optimizer
Implementation of Phalcon\Config toArray
Adding Phalcon\Text implementation, disabling preg_match optimizer
Fixing Volt bugs
Mark some uncommon protected functions as final
Using latest Zephir
Merge branch '2.0.0' of http://github.com/phalcon/cphalcon into 2.0.0
Using latest Zephir
Compatibility with Zephir 0.4