this library still should support 5.3

Author: chobie

composer.json

@@ -13,7 +13,7 @@
     ],
     "minimum-stability": "dev",
     "require": {
-        "php": ">=5.4.0"
+        "php": ">=5.3.0"
     },
     "require-dev": {
         "phpunit/phpunit": "4.1.*"
@@ -28,4 +28,4 @@
             "dev-master": "2.0-dev"
         }
     }
-}
+}