Support for default parameters in Router/URL generation
Updated CHANGELOG
PSR-3 classes
Phalcon\Logger\Adapter optionally implements Psr\Log\LoggerInterface
Implement missing critical() method
Throw Psr\Log\InvalidArgumentException where appropriate
Updated test
Fix for PHP prior to 5.3.9
Updated CHANGELOG
Merge pull request #1880 from sjinks/issue-1078

Support for default parameters in Router/URL generation
Merge pull request #1888 from sjinks/psr-3-logger

PSR-3 Classes