Merge pull request #57 from limonte/patch-1

Support PHP7

Author: peter-mw

composer.json

@@ -21,7 +21,7 @@
     }
   ],
   "require": {
-    "php": "~5.3"
+    "php": ">=5.3"
   },
   "require-dev": {
     "symfony/var-dumper": "~3.0"