Update composer.json

Author: mevdschee

composer.json

@@ -26,9 +26,9 @@
     }
   ],
   "require": {
-    "php": ">=5.6.0"
+    "php": ">=5.3.0"
   },
   "autoload": {
     "files": ["api.php"]
   }
-}
+}