ISSUE-83: Added support for PHP 7

Author: raymondschouten

composer.json

@@ -11,7 +11,7 @@
     "require": {
         "doctrine/common": "^2.4",
         "doctrine/orm": "^2.4",
-        "php": "^5.3.9",
+        "php": ">=5.3.9",
         "symfony/form": "2.8.*"
     },
     "require-dev": {