Add a magic method for the string representation of a response status

Author: na2axl

src/WaterPipe/HTTP/Response/ResponseStatus.php

@@ -175,6 +175,16 @@ public function __construct($code = 200)
         }
     }
 
+    /**
+     * Returns the string representation of this instance.
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return "{$this->_code} {$this->_description}";
+    }
+
     /**
      * @return int
      */