made Options and Method parameters optional for HttpRequest command

app/Http/Business/Commands/HttpRequestCommand.php

@@ -22,8 +22,8 @@ class HttpRequestCommand extends AbstractCommand
     {
         $data = $this->_command->getData();
         $url = $data["Url"];
-        $method = $data["Method"];
-        $options = $data["Options"];
+        $method = isset($data["Method"]) ? $data["Method"] : "POST";
+        $options = isset($data["Options"]) ? $data["Options"] : array();
 
         $client = new Client();