IHF: symfony/var-dumper version decreased.

Author: dmitry-ivanov

composer.json

@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": ">=5.4.0",
-        "symfony/var-dumper": "^3.1"
+        "symfony/var-dumper": "^3.0"
     },
     "autoload": {
         "files": ["src/autoload.php"]