Updated composer.json
Merge pull request #17 from norzechowicz/dev

Updated composer.json
fix support for Symfony 2.3
removed "symfony/http-foundation" dependency (already handled by framework-bundle), and changed Twig version constraint
Merge pull request #19 from sstok/patch-1

fix support for Symfony 2.3
Removed dependency from not existing metadata extension
Merge pull request #20 from norzechowicz/metadata

Removed dependency from not existing metadata extension
Added tests
Revert unwanted change
Added missing empty lines
Merge pull request #22 from norzechowicz/twig

Added tests