Updated definition of ComplexType and use classmap option of SoapServer

Please to refer to the documentation for the changes:
http://besim.pl/SoapBundle/tutorial/complex_type.html

ServiceDefinition/ComplexType.php

@@ -0,0 +1,51 @@
+<?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;
+
+/**
+ * @author Francis Besset <francis.besset@gmail.com>
+ */
+class ComplexType
+{
+    private $name;
+    private $value;
+    private $isNillable = false;
+
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    public function isNillable()
+    {
+        return $this->isNillable;
+    }
+
+    public function setName($name)
+    {
+        $this->name = $name;
+    }
+
+    public function setValue($value)
+    {
+        $this->value = $value;
+    }
+
+    public function setNillable($isNillable)
+    {
+        $this->isNillable = (bool) $isNillable;
+    }
+}