Merge pull request #103 from Nyholm/patch-1

Support for Symfony 4

Author: GuilhemN

composer.json

@@ -17,7 +17,7 @@
     ],
     "require": {
         "php": ">=5.3.2",
-        "symfony/http-foundation": "~2.0|~3.0"
+        "symfony/http-foundation": "~2.0|~3.0|~4.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.0"