support L56

Author: guille21

composer.json

@@ -12,8 +12,8 @@
     "require": {
         "php": ">=5.4.0",
         "symfony/finder": "~2.5|3.*|4.*",
-        "symfony/http-foundation": "~2.5|3.*",
-        "symfony/filesystem": "~2.5|3.*",
+        "symfony/http-foundation": "~2.5|3.*|4.*",
+        "symfony/filesystem": "~2.5|3.*|4.*",
         "monolog/monolog": "~1.12",
         "gregwar/image": "2.*"
     },