Added headers in request

You can add @Soap\Header("foobar", phpType="string") in a method definition

ServiceDefinition/Annotation/Header.php

@@ -0,0 +1,22 @@
+<?php
+/*
+ * This file is part of the BeSimpleSoapBundle.
+ *
+ * (c) Christian Kerl <christian-kerl@web.de>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace BeSimple\SoapBundle\ServiceDefinition\Annotation;
+
+/**
+ * @Annotation
+ */
+class Header extends Param
+{
+    public function getAliasName()
+    {
+        return 'header';
+    }
+}