diff --git a/src/BeSimple/SoapClient/Helper.php b/src/BeSimple/SoapClient/Helper.php
index 89edeba..f79ab1f 100644
--- a/src/BeSimple/SoapClient/Helper.php
+++ b/src/BeSimple/SoapClient/Helper.php
@@ -1,369 +1,369 @@
-<?php
-
-/*
- * This file is part of the BeSimpleSoapClient.
- *
- * (c) Christian Kerl <christian-kerl@web.de>
- * (c) Francis Besset <francis.besset@gmail.com>
- *
- * This source file is subject to the MIT license that is bundled
- * with this source code in the file LICENSE.
- */
-
-namespace BeSimple\SoapClient;
-
-/**
- * Soap helper class with static functions that are used in the client and
- * server implementations. It also provides namespace and configuration
- * constants.
- *
- * @author Andreas Schamberger
- */
-class Helper
-{
-    /**
-     * Attachment type: xsd:base64Binary (native in ext/soap).
-     */
-    const ATTACHMENTS_TYPE_BASE64 = 1;
-
-    /**
-     * Attachment type: MTOM (SOAP Message Transmission Optimization Mechanism).
-     */
-    const ATTACHMENTS_TYPE_MTOM = 2;
-
-    /**
-     * Attachment type: SWA (SOAP Messages with Attachments).
-     */
-    const ATTACHMENTS_TYPE_SWA = 4;
-
-    /**
-     * Web Services Security: SOAP Message Security 1.0 (WS-Security 2004)
-     */
-    const NAME_WSS_SMS = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0';
-
-    /**
-     * Web Services Security: SOAP Message Security 1.1 (WS-Security 2004)
-     */
-    const NAME_WSS_SMS_1_1 = 'http://docs.oasis-open.org/wss/oasis-wss-soap-message-security-1.1';
-
-    /**
-     * Web Services Security UsernameToken Profile 1.0
-     */
-    const NAME_WSS_UTP = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0';
-
-    /**
-     * Web Services Security X.509 Certificate Token Profile
-     */
-    const NAME_WSS_X509 = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0';
-
-    /**
-     * Soap 1.1 namespace.
-     */
-    const NS_SOAP_1_1 = 'http://schemas.xmlsoap.org/soap/envelope/';
-
-    /**
-     * Soap 1.1 namespace.
-     */
-    const NS_SOAP_1_2 = 'http://www.w3.org/2003/05/soap-envelope/';
-
-    /**
-     * Web Services Addressing 1.0 namespace.
-     */
-    const NS_WSA = 'http://www.w3.org/2005/08/addressing';
-
-    /**
-     * Web Services Security Extension namespace.
-     */
-    const NS_WSS = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd';
-
-    /**
-     * Web Services Security Utility namespace.
-     */
-    const NS_WSU = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd';
-
-    /**
-     * Describing Media Content of Binary Data in XML namespace.
-     */
-    const NS_XMLMIME = 'http://www.w3.org/2004/11/xmlmime';
-
-    /**
-     * XML Schema namespace.
-     */
-    const NS_XML_SCHEMA = 'http://www.w3.org/2001/XMLSchema';
-
-    /**
-     * XML Schema instance namespace.
-     */
-    const NS_XML_SCHEMA_INSTANCE = 'http://www.w3.org/2001/XMLSchema-instance';
-
-    /**
-     * XML-binary Optimized Packaging namespace.
-     */
-    const NS_XOP = 'http://www.w3.org/2004/08/xop/include';
-
-    /**
-     * Web Services Addressing 1.0 prefix.
-     */
-    const PFX_WSA = 'wsa';
-
-    /**
-     * Web Services Security Extension namespace.
-     */
-    const PFX_WSS = 'wsse';
-
-    /**
-     * Web Services Security Utility namespace prefix.
-     */
-    const PFX_WSU  = 'wsu';
-
-    /**
-     * Describing Media Content of Binary Data in XML namespace prefix.
-     */
-    const PFX_XMLMIME = 'xmlmime';
-
-    /**
-     * XML Schema namespace prefix.
-     */
-    const PFX_XML_SCHEMA = 'xsd';
-
-    /**
-     * XML Schema instance namespace prefix.
-     */
-    const PFX_XML_SCHEMA_INSTANCE = 'xsi';
-
-    /**
-     * XML-binary Optimized Packaging namespace prefix.
-     */
-    const PFX_XOP = 'xop';
-
-    /**
-     * Constant for a request.
-     */
-    const REQUEST = 0;
-
-    /**
-     * Constant for a response.
-     */
-    const RESPONSE = 1;
-
-    /**
-     * Wheather to format the XML output or not.
-     *
-     * @var boolean
-     */
-    public static $formatXmlOutput = false;
-
-    /**
-     * Contains previously defined error handler string.
-     *
-     * @var string
-     */
-    private static $previousErrorHandler = null;
-
-    /**
-     * User-defined error handler function to convert errors to exceptions.
-     *
-     * @param string $errno
-     * @param string $errstr
-     * @param string $errfile
-     * @param string $errline
-     * @throws ErrorException
-     */
-    public static function exceptionErrorHandler($errno, $errstr, $errfile, $errline)
-    {
-        // don't throw exception for errors suppresed with @
-        if (error_reporting() != 0) {
-            throw new \ErrorException($errstr, 0, $errno, $errfile, $errline);
-        }
-    }
-
-    /**
-     * Generate a pseudo-random version 4 UUID.
-     *
-     * @see http://de.php.net/manual/en/function.uniqid.php#94959
-     * @return string
-     */
-    public static function generateUUID()
-    {
-        return sprintf(
-            '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
-            // 32 bits for "time_low"
-            mt_rand(0, 0xffff), mt_rand(0, 0xffff),
-            // 16 bits for "time_mid"
-            mt_rand(0, 0xffff),
-            // 16 bits for "time_hi_and_version",
-            // four most significant bits holds version number 4
-            mt_rand(0, 0x0fff) | 0x4000,
-            // 16 bits, 8 bits for "clk_seq_hi_res",
-            // 8 bits for "clk_seq_low",
-            // two most significant bits holds zero and one for variant DCE1.1
-            mt_rand(0, 0x3fff) | 0x8000,
-            // 48 bits for "node"
-            mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff)
-       );
-    }
-
-    /**
-     * Builds the current URL from the $_SERVER array.
-     *
-     * @return string
-     */
-    public static function getCurrentUrl()
-    {
-        $url = '';
-        if (isset($_SERVER['HTTPS']) &&
-             (strtolower($_SERVER['HTTPS']) === 'on' || $_SERVER['HTTPS'] === '1')) {
-            $url .= 'https://';
-        } else {
-            $url .= 'http://';
-        }
-        $url .= isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : '';
-        if (isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] != 80) {
-            $url .= ":{$_SERVER['SERVER_PORT']}";
-        }
-        $url .= isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
-        return $url;
-    }
-
-    /**
-     * Get SOAP namespace for the given $version.
-     *
-     * @param int $version SOAP_1_1|SOAP_1_2
-     * @return string
-     */
-    public static function getSoapNamespace($version)
-    {
-        if ($version === SOAP_1_2) {
-            return self::NS_SOAP_1_2;
-        } else {
-            return self::NS_SOAP_1_1;
-        }
-    }
-
-    /**
-     * Get SOAP version from namespace URI.
-     *
-     * @param string $namespace NS_SOAP_1_1|NS_SOAP_1_2
-     * @return int SOAP_1_1|SOAP_1_2
-     */
-    public static function getSoapVersionFromNamespace($namespace)
-    {
-        if ($namespace === self::NS_SOAP_1_2) {
-            return SOAP_1_2;
-        } else {
-            return SOAP_1_1;
-        }
-    }
-
-    /**
-     * Runs the registered Plugins on the given request $xml.
-     *
-     * @param array(\ass\Soap\Plugin) $plugins
-     * @param int $requestType \ass\Soap\Helper::REQUEST|\ass\Soap\Helper::RESPONSE
-     * @param string $xml
-     * @param string $location
-     * @param string $action
-     * @param \ass\Soap\WsdlHandler $wsdlHandler
-     * @return string
-     */
-    public static function runPlugins(array $plugins, $requestType, $xml, $location = null, $action = null, \ass\Soap\WsdlHandler $wsdlHandler = null)
-    {
-        if (count($plugins) > 0) {
-            // instantiate new dom object
-            $dom = new \DOMDocument('1.0');
-            // format the XML if option is set
-            $dom->formatOutput = self::$formatXmlOutput;
-            $dom->loadXML($xml);
-            $params = array(
-                $dom,
-                $location,
-                $action,
-                $wsdlHandler
-            );
-            if ($requestType == self::REQUEST) {
-                $callMethod = 'modifyRequest';
-            } else {
-                $callMethod = 'modifyResponse';
-            }
-            // modify dom
-            foreach($plugins AS $plugin) {
-                if ($plugin instanceof \ass\Soap\Plugin) {
-                    call_user_func_array(array($plugin, $callMethod), $params);
-                }
-            }
-            // return the modified xml document
-            return $dom->saveXML();
-        // format the XML if option is set
-        } elseif (self::$formatXmlOutput === true) {
-            $dom = new \DOMDocument('1.0');
-            $dom->formatOutput = true;
-            $dom->loadXML($xml);
-            return $dom->saveXML();
-        }
-        return $xml;
-    }
-
-    /**
-     * Set custom error handler that converts all php errors to ErrorExceptions
-     *
-     * @param boolean $reset
-     */
-    public static function setCustomErrorHandler($reset = false)
-    {
-        if ($reset === true && !is_null(self::$previousErrorHandler)) {
-            set_error_handler(self::$previousErrorHandler);
-            self::$previousErrorHandler = null;
-        } else {
-            self::$previousErrorHandler = set_error_handler('ass\\Soap\\Helper::exceptionErrorHandler');
-        }
-        return self::$previousErrorHandler;
-    }
-
-    /**
-     * Build data string to used to bridge ext/soap
-     * 'SOAP_MIME_ATTACHMENT:cid=...&type=...'
-     *
-     * @param string $contentId
-     * @param string $contentType
-     * @return string
-     */
-    public static function makeSoapAttachmentDataString($contentId, $contentType)
-    {
-        $parameter = array(
-            'cid' => $contentId,
-            'type' => $contentType,
-        );
-        return 'SOAP-MIME-ATTACHMENT:' . http_build_query($parameter, null, '&');
-    }
-
-    /**
-     * Parse data string used to bridge ext/soap
-     * 'SOAP_MIME_ATTACHMENT:cid=...&type=...'
-     *
-     * @param string $dataString
-     * @return array(string=>string)
-     */
-    public static function parseSoapAttachmentDataString($dataString)
-    {
-        $dataString = substr($dataString, 21);
-        // get all data
-        $data = array();
-        parse_str($dataString, $data);
-        return $data;
-    }
-
-    /**
-     * Function to set proper http status header.
-     * Neccessary as there is a difference between mod_php and the cgi SAPIs.
-     *
-     * @param string $header
-     */
-    public static function setHttpStatusHeader($header)
-    {
-        if ('cgi' == substr(php_sapi_name(), 0, 3)) {
-            header('Status: ' . $header);
-        } else {
-            header($_SERVER['SERVER_PROTOCOL'] . ' ' . $header);
-        }
-    }
+<?php
+
+/*
+ * This file is part of the BeSimpleSoapClient.
+ *
+ * (c) Christian Kerl <christian-kerl@web.de>
+ * (c) Francis Besset <francis.besset@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace BeSimple\SoapClient;
+
+/**
+ * Soap helper class with static functions that are used in the client and
+ * server implementations. It also provides namespace and configuration
+ * constants.
+ *
+ * @author Andreas Schamberger
+ */
+class Helper
+{
+    /**
+     * Attachment type: xsd:base64Binary (native in ext/soap).
+     */
+    const ATTACHMENTS_TYPE_BASE64 = 1;
+
+    /**
+     * Attachment type: MTOM (SOAP Message Transmission Optimization Mechanism).
+     */
+    const ATTACHMENTS_TYPE_MTOM = 2;
+
+    /**
+     * Attachment type: SWA (SOAP Messages with Attachments).
+     */
+    const ATTACHMENTS_TYPE_SWA = 4;
+
+    /**
+     * Web Services Security: SOAP Message Security 1.0 (WS-Security 2004)
+     */
+    const NAME_WSS_SMS = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0';
+
+    /**
+     * Web Services Security: SOAP Message Security 1.1 (WS-Security 2004)
+     */
+    const NAME_WSS_SMS_1_1 = 'http://docs.oasis-open.org/wss/oasis-wss-soap-message-security-1.1';
+
+    /**
+     * Web Services Security UsernameToken Profile 1.0
+     */
+    const NAME_WSS_UTP = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0';
+
+    /**
+     * Web Services Security X.509 Certificate Token Profile
+     */
+    const NAME_WSS_X509 = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0';
+
+    /**
+     * Soap 1.1 namespace.
+     */
+    const NS_SOAP_1_1 = 'http://schemas.xmlsoap.org/soap/envelope/';
+
+    /**
+     * Soap 1.1 namespace.
+     */
+    const NS_SOAP_1_2 = 'http://www.w3.org/2003/05/soap-envelope/';
+
+    /**
+     * Web Services Addressing 1.0 namespace.
+     */
+    const NS_WSA = 'http://www.w3.org/2005/08/addressing';
+
+    /**
+     * Web Services Security Extension namespace.
+     */
+    const NS_WSS = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd';
+
+    /**
+     * Web Services Security Utility namespace.
+     */
+    const NS_WSU = 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd';
+
+    /**
+     * Describing Media Content of Binary Data in XML namespace.
+     */
+    const NS_XMLMIME = 'http://www.w3.org/2004/11/xmlmime';
+
+    /**
+     * XML Schema namespace.
+     */
+    const NS_XML_SCHEMA = 'http://www.w3.org/2001/XMLSchema';
+
+    /**
+     * XML Schema instance namespace.
+     */
+    const NS_XML_SCHEMA_INSTANCE = 'http://www.w3.org/2001/XMLSchema-instance';
+
+    /**
+     * XML-binary Optimized Packaging namespace.
+     */
+    const NS_XOP = 'http://www.w3.org/2004/08/xop/include';
+
+    /**
+     * Web Services Addressing 1.0 prefix.
+     */
+    const PFX_WSA = 'wsa';
+
+    /**
+     * Web Services Security Extension namespace.
+     */
+    const PFX_WSS = 'wsse';
+
+    /**
+     * Web Services Security Utility namespace prefix.
+     */
+    const PFX_WSU  = 'wsu';
+
+    /**
+     * Describing Media Content of Binary Data in XML namespace prefix.
+     */
+    const PFX_XMLMIME = 'xmlmime';
+
+    /**
+     * XML Schema namespace prefix.
+     */
+    const PFX_XML_SCHEMA = 'xsd';
+
+    /**
+     * XML Schema instance namespace prefix.
+     */
+    const PFX_XML_SCHEMA_INSTANCE = 'xsi';
+
+    /**
+     * XML-binary Optimized Packaging namespace prefix.
+     */
+    const PFX_XOP = 'xop';
+
+    /**
+     * Constant for a request.
+     */
+    const REQUEST = 0;
+
+    /**
+     * Constant for a response.
+     */
+    const RESPONSE = 1;
+
+    /**
+     * Wheather to format the XML output or not.
+     *
+     * @var boolean
+     */
+    public static $formatXmlOutput = false;
+
+    /**
+     * Contains previously defined error handler string.
+     *
+     * @var string
+     */
+    private static $previousErrorHandler = null;
+
+    /**
+     * User-defined error handler function to convert errors to exceptions.
+     *
+     * @param string $errno
+     * @param string $errstr
+     * @param string $errfile
+     * @param string $errline
+     * @throws ErrorException
+     */
+    public static function exceptionErrorHandler($errno, $errstr, $errfile, $errline)
+    {
+        // don't throw exception for errors suppresed with @
+        if (error_reporting() != 0) {
+            throw new \ErrorException($errstr, 0, $errno, $errfile, $errline);
+        }
+    }
+
+    /**
+     * Generate a pseudo-random version 4 UUID.
+     *
+     * @see http://de.php.net/manual/en/function.uniqid.php#94959
+     * @return string
+     */
+    public static function generateUUID()
+    {
+        return sprintf(
+            '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
+            // 32 bits for "time_low"
+            mt_rand(0, 0xffff), mt_rand(0, 0xffff),
+            // 16 bits for "time_mid"
+            mt_rand(0, 0xffff),
+            // 16 bits for "time_hi_and_version",
+            // four most significant bits holds version number 4
+            mt_rand(0, 0x0fff) | 0x4000,
+            // 16 bits, 8 bits for "clk_seq_hi_res",
+            // 8 bits for "clk_seq_low",
+            // two most significant bits holds zero and one for variant DCE1.1
+            mt_rand(0, 0x3fff) | 0x8000,
+            // 48 bits for "node"
+            mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff)
+       );
+    }
+
+    /**
+     * Builds the current URL from the $_SERVER array.
+     *
+     * @return string
+     */
+    public static function getCurrentUrl()
+    {
+        $url = '';
+        if (isset($_SERVER['HTTPS']) &&
+             (strtolower($_SERVER['HTTPS']) === 'on' || $_SERVER['HTTPS'] === '1')) {
+            $url .= 'https://';
+        } else {
+            $url .= 'http://';
+        }
+        $url .= isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : '';
+        if (isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] != 80) {
+            $url .= ":{$_SERVER['SERVER_PORT']}";
+        }
+        $url .= isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
+        return $url;
+    }
+
+    /**
+     * Get SOAP namespace for the given $version.
+     *
+     * @param int $version SOAP_1_1|SOAP_1_2
+     * @return string
+     */
+    public static function getSoapNamespace($version)
+    {
+        if ($version === SOAP_1_2) {
+            return self::NS_SOAP_1_2;
+        } else {
+            return self::NS_SOAP_1_1;
+        }
+    }
+
+    /**
+     * Get SOAP version from namespace URI.
+     *
+     * @param string $namespace NS_SOAP_1_1|NS_SOAP_1_2
+     * @return int SOAP_1_1|SOAP_1_2
+     */
+    public static function getSoapVersionFromNamespace($namespace)
+    {
+        if ($namespace === self::NS_SOAP_1_2) {
+            return SOAP_1_2;
+        } else {
+            return SOAP_1_1;
+        }
+    }
+
+    /**
+     * Runs the registered Plugins on the given request $xml.
+     *
+     * @param array(\ass\Soap\Plugin) $plugins
+     * @param int $requestType \ass\Soap\Helper::REQUEST|\ass\Soap\Helper::RESPONSE
+     * @param string $xml
+     * @param string $location
+     * @param string $action
+     * @param \ass\Soap\WsdlHandler $wsdlHandler
+     * @return string
+     */
+    public static function runPlugins(array $plugins, $requestType, $xml, $location = null, $action = null, \ass\Soap\WsdlHandler $wsdlHandler = null)
+    {
+        if (count($plugins) > 0) {
+            // instantiate new dom object
+            $dom = new \DOMDocument('1.0');
+            // format the XML if option is set
+            $dom->formatOutput = self::$formatXmlOutput;
+            $dom->loadXML($xml);
+            $params = array(
+                $dom,
+                $location,
+                $action,
+                $wsdlHandler
+            );
+            if ($requestType == self::REQUEST) {
+                $callMethod = 'modifyRequest';
+            } else {
+                $callMethod = 'modifyResponse';
+            }
+            // modify dom
+            foreach($plugins AS $plugin) {
+                if ($plugin instanceof \ass\Soap\Plugin) {
+                    call_user_func_array(array($plugin, $callMethod), $params);
+                }
+            }
+            // return the modified xml document
+            return $dom->saveXML();
+        // format the XML if option is set
+        } elseif (self::$formatXmlOutput === true) {
+            $dom = new \DOMDocument('1.0');
+            $dom->formatOutput = true;
+            $dom->loadXML($xml);
+            return $dom->saveXML();
+        }
+        return $xml;
+    }
+
+    /**
+     * Set custom error handler that converts all php errors to ErrorExceptions
+     *
+     * @param boolean $reset
+     */
+    public static function setCustomErrorHandler($reset = false)
+    {
+        if ($reset === true && !is_null(self::$previousErrorHandler)) {
+            set_error_handler(self::$previousErrorHandler);
+            self::$previousErrorHandler = null;
+        } else {
+            self::$previousErrorHandler = set_error_handler('ass\\Soap\\Helper::exceptionErrorHandler');
+        }
+        return self::$previousErrorHandler;
+    }
+
+    /**
+     * Build data string to used to bridge ext/soap
+     * 'SOAP_MIME_ATTACHMENT:cid=...&type=...'
+     *
+     * @param string $contentId
+     * @param string $contentType
+     * @return string
+     */
+    public static function makeSoapAttachmentDataString($contentId, $contentType)
+    {
+        $parameter = array(
+            'cid' => $contentId,
+            'type' => $contentType,
+        );
+        return 'SOAP-MIME-ATTACHMENT:' . http_build_query($parameter, null, '&');
+    }
+
+    /**
+     * Parse data string used to bridge ext/soap
+     * 'SOAP_MIME_ATTACHMENT:cid=...&type=...'
+     *
+     * @param string $dataString
+     * @return array(string=>string)
+     */
+    public static function parseSoapAttachmentDataString($dataString)
+    {
+        $dataString = substr($dataString, 21);
+        // get all data
+        $data = array();
+        parse_str($dataString, $data);
+        return $data;
+    }
+
+    /**
+     * Function to set proper http status header.
+     * Neccessary as there is a difference between mod_php and the cgi SAPIs.
+     *
+     * @param string $header
+     */
+    public static function setHttpStatusHeader($header)
+    {
+        if ('cgi' == substr(php_sapi_name(), 0, 3)) {
+            header('Status: ' . $header);
+        } else {
+            header($_SERVER['SERVER_PROTOCOL'] . ' ' . $header);
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/BeSimple/SoapClient/SoapClient.php b/src/BeSimple/SoapClient/SoapClient.php
index 65b584d..86444da 100644
--- a/src/BeSimple/SoapClient/SoapClient.php
+++ b/src/BeSimple/SoapClient/SoapClient.php
@@ -22,31 +22,31 @@ namespace BeSimple\SoapClient;
  */
 class SoapClient extends \SoapClient
 {
-    /**
-     * Last request headers.
-     *
-     * @var string
+    /**
+     * Last request headers.
+     *
+     * @var string
      */
     private $lastRequestHeaders = '';
-
-    /**
-     * Last request.
-     *
-     * @var string
+
+    /**
+     * Last request.
+     *
+     * @var string
      */
     private $lastRequest = '';
-
-    /**
-     * Last response headers.
-     *
-     * @var string
+
+    /**
+     * Last response headers.
+     *
+     * @var string
      */
     private $lastResponseHeaders = '';
-
-    /**
-     * Last response.
-     *
-     * @var string
+
+    /**
+     * Last response.
+     *
+     * @var string
      */
     private $lastResponse = '';
 
@@ -65,7 +65,7 @@ class SoapClient extends \SoapClient
     private $wsdlFile = null;
 
     /**
-     * Extended constructor that saves the options as the parent class'
+     * Extended constructor that saves the options as the parent class'
      * property is private.
      *
      * @param string $wsdl
@@ -99,16 +99,16 @@ class SoapClient extends \SoapClient
             }
         }
         // store local copy as ext/soap's property is private
-        $this->options = $options;
+        $this->options = $options;
         // disable obsolete trace option for native SoapClient as we need to do our own tracing anyways
         $options['trace'] = false;
-        // disable WSDL caching as we handle WSDL caching for remote URLs ourself
+        // disable WSDL caching as we handle WSDL caching for remote URLs ourself
         $options['cache_wsdl'] = WSDL_CACHE_NONE;
         // load WSDL and run parent constructor
         // can't be loaded later as we need it already in the parent constructor
         $this->wsdlFile = $this->loadWsdl($wsdl);
         parent::__construct($this->wsdlFile, $options);
-    }
+    }
 
     /**
      * Perform HTTP request with cURL.
@@ -186,7 +186,7 @@ class SoapClient extends \SoapClient
         // destruct curl object
         unset($curl);
         return $response;
-    }
+    }
 
    /**
      * Custom request method to be able to modify the SOAP messages.
diff --git a/src/BeSimple/SoapClient/WsdlDownloader.php b/src/BeSimple/SoapClient/WsdlDownloader.php
index 55c7d90..6406e2b 100644
--- a/src/BeSimple/SoapClient/WsdlDownloader.php
+++ b/src/BeSimple/SoapClient/WsdlDownloader.php
@@ -1,227 +1,227 @@
-<?php
-
-/*
- * This file is part of the BeSimpleSoapClient.
- *
- * (c) Christian Kerl <christian-kerl@web.de>
- * (c) Francis Besset <francis.besset@gmail.com>
- *
- * This source file is subject to the MIT license that is bundled
- * with this source code in the file LICENSE.
- */
-
-namespace BeSimple\SoapClient;
-
-/**
- * Downloads WSDL files with cURL. Uses all SoapClient options for
- * authentication. Uses the WSDL_CACHE_* constants and the 'soap.wsdl_*'
- * ini settings. Does only file caching as SoapClient only supports a file
- * name parameter. The class also resolves remote XML schema includes.
- *
- * @author Andreas Schamberger
- */
-class WsdlDownloader
-{
-    /**
-     * Cache enabled.
-     *
-     * @var bool
-     */
-    private $cacheEnabled;
-
-    /**
-     * Cache dir.
-     *
-     * @var string
-     */
-    private $cacheDir;
-
-    /**
-     * Cache TTL.
-     *
-     * @var int
-     */
-    private $cacheTtl;
-
-    /**
-     * Options array
-     *
-     * @var array(string=>mixed)
-     */
-    private $options = array();
-
-    /**
-     * Constructor.
-     *
-     * @param array $options
-     */
-    public function __construct(array $options = array())
-    {
-        // get current WSDL caching config
-        $this->cacheEnabled = (bool)ini_get('soap.wsdl_cache_enabled');
-        if ($this->cacheEnabled === true
-            && isset($options['cache_wsdl'])
-            && $options['cache_wsdl'] === WSDL_CACHE_NONE) {
-            $this->cacheEnabled = false;
-        }
-        $this->cacheDir = ini_get('soap.wsdl_cache_dir');
-        if (!is_dir($this->cacheDir)) {
-            $this->cacheDir = sys_get_temp_dir();
-        }
-        $this->cacheDir = rtrim($this->cacheDir, '/\\');
-        $this->cacheTtl = ini_get('soap.wsdl_cache_ttl');
-        $this->options = $options;
-        if (!isset($this->options['resolve_xsd_includes'])) {
-            $this->options['resolve_xsd_includes'] = true;
-        }
-    }
-
-    /**
-     * Download given WSDL file and return name of cache file.
-     *
-     * @param string $wsdl
-     * @return string
-     */
-    public function download($wsdl)
-    {
-        // download and cache remote WSDL files or local ones where we want to
-        // resolve remote XSD includes
-        $isRemoteFile = $this->isRemoteFile($wsdl);
-        if ($isRemoteFile === true || $this->options['resolve_xsd_includes'] === true) {
-            $cacheFile = $this->cacheDir . DIRECTORY_SEPARATOR . 'wsdl_' . md5($wsdl) . '.cache';
-            if ($this->cacheEnabled === false
-                || !file_exists($cacheFile)
-                || (filemtime($cacheFile) + $this->cacheTtl) < time()) {
-                if ($isRemoteFile === true) {
-                    // new curl object for request
-                    $curl = new Curl($this->options);
-                    // execute request
-                    $responseSuccessfull = $curl->exec($wsdl);
-                    // get content
-                    if ($responseSuccessfull === true) {
-                        $response = $curl->getResponseBody();
-                        if ($this->options['resolve_xsd_includes'] === true) {
-                            $this->resolveXsdIncludes($response, $cacheFile, $wsdl);
-                        } else {
-                            file_put_contents($cacheFile, $response);
-                        }
-                    } else {
-                        throw new \ErrorException("SOAP-ERROR: Parsing WSDL: Couldn't load from '" . $wsdl ."'");
-                    }
-                } elseif (file_exists($wsdl)) {
-                    $response = file_get_contents($wsdl);
-                    $this->resolveXsdIncludes($response, $cacheFile);
-                } else {
-                    throw new \ErrorException("SOAP-ERROR: Parsing WSDL: Couldn't load from '" . $wsdl ."'");
-                }
-            }
-            return $cacheFile;
-        } elseif (file_exists($wsdl)) {
-            return realpath($wsdl);
-        } else {
-            throw new \ErrorException("SOAP-ERROR: Parsing WSDL: Couldn't load from '" . $wsdl ."'");
-        }
-    }
-
-    /**
-     * Do we have a remote file?
-     *
-     * @param string $file
-     * @return boolean
-     */
-    private function isRemoteFile($file)
-    {
-        $isRemoteFile = false;
-        // @parse_url to suppress E_WARNING for invalid urls
-        if (($url = @parse_url($file)) !== false) {
-            if (isset($url['scheme']) && substr($url['scheme'], 0, 4) == 'http') {
-                $isRemoteFile = true;
-            }
-        }
-        return $isRemoteFile;
-    }
-
-    /**
-     * Resolves remote XSD includes within the WSDL files.
-     *
-     * @param string $xml
-     * @param string $cacheFile
-     * @param unknown_type $parentIsRemote
-     * @return string
-     */
-    private function resolveXsdIncludes($xml, $cacheFile, $parentFile = null)
-    {
-        $doc = new \DOMDocument();
-        $doc->loadXML($xml);
-        $xpath = new \DOMXPath($doc);
-        $xpath->registerNamespace(Helper::PFX_XML_SCHEMA, Helper::NS_XML_SCHEMA);
-        $query = './/' . Helper::PFX_XML_SCHEMA . ':include';
-        $nodes = $xpath->query($query);
-        if ($nodes->length > 0) {
-            foreach ($nodes as $node) {
-                $schemaLocation = $node->getAttribute('schemaLocation');
-                if ($this->isRemoteFile($schemaLocation)) {
-                    $schemaLocation = $this->download($schemaLocation);
-                    $node->setAttribute('schemaLocation', $schemaLocation);
-                } elseif (!is_null($parentFile)) {
-                    $schemaLocation = $this->resolveRelativePathInUrl($parentFile, $schemaLocation);
-                    $schemaLocation = $this->download($schemaLocation);
-                    $node->setAttribute('schemaLocation', $schemaLocation);
-                }
-            }
-        }
-        $doc->save($cacheFile);
-    }
-
-    /**
-     * Resolves the relative path to base into an absolute.
-     *
-     * @param string $base
-     * @param string $relative
-     * @return string
-     */
-    private function resolveRelativePathInUrl($base, $relative)
-    {
-        $urlParts = parse_url($base);
-        // combine base path with relative path
-        if (isset($urlParts['path']) && strpos($relative, '/') === 0) {
-            // $relative is absolute path from domain (starts with /)
-            $path = $relative;
-        } elseif (isset($urlParts['path']) && strrpos($urlParts['path'], '/') === (strlen($urlParts['path']) )) {
-            // base path is directory
-            $path = $urlParts['path'] . $relative;
-        } elseif (isset($urlParts['path'])) {
-            // strip filename from base path
-            $path = substr($urlParts['path'], 0, strrpos($urlParts['path'], '/')) . '/' . $relative;
-        } else {
-            // no base path
-            $path = '/' . $relative;
-        }
-        // foo/./bar ==> foo/bar
-        $path = preg_replace('~/\./~', '/', $path);
-        // remove double slashes
-        $path = preg_replace('~/+~', '/', $path);
-        // split path by '/'
-        $parts = explode('/', $path);
-        // resolve /../
-        foreach ($parts as $key => $part) {
-            if ($part == "..") {
-                $keyToDelete = $key-1;
-                while ($keyToDelete > 0) {
-                    if (isset($parts[$keyToDelete])) {
-                        unset($parts[$keyToDelete]);
-                        break;
-                    } else {
-                        $keyToDelete--;
-                    }
-                }
-                unset($parts[$key]);
-            }
-        }
-        $hostname = $urlParts['scheme'] . '://' . $urlParts['host'];
-        if (isset($urlParts['port'])) {
-            $hostname .= ':' . $urlParts['port'];
-        }
-        return $hostname . implode('/', $parts);
-    }
+<?php
+
+/*
+ * This file is part of the BeSimpleSoapClient.
+ *
+ * (c) Christian Kerl <christian-kerl@web.de>
+ * (c) Francis Besset <francis.besset@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace BeSimple\SoapClient;
+
+/**
+ * Downloads WSDL files with cURL. Uses all SoapClient options for
+ * authentication. Uses the WSDL_CACHE_* constants and the 'soap.wsdl_*'
+ * ini settings. Does only file caching as SoapClient only supports a file
+ * name parameter. The class also resolves remote XML schema includes.
+ *
+ * @author Andreas Schamberger
+ */
+class WsdlDownloader
+{
+    /**
+     * Cache enabled.
+     *
+     * @var bool
+     */
+    private $cacheEnabled;
+
+    /**
+     * Cache dir.
+     *
+     * @var string
+     */
+    private $cacheDir;
+
+    /**
+     * Cache TTL.
+     *
+     * @var int
+     */
+    private $cacheTtl;
+
+    /**
+     * Options array
+     *
+     * @var array(string=>mixed)
+     */
+    private $options = array();
+
+    /**
+     * Constructor.
+     *
+     * @param array $options
+     */
+    public function __construct(array $options = array())
+    {
+        // get current WSDL caching config
+        $this->cacheEnabled = (bool)ini_get('soap.wsdl_cache_enabled');
+        if ($this->cacheEnabled === true
+            && isset($options['cache_wsdl'])
+            && $options['cache_wsdl'] === WSDL_CACHE_NONE) {
+            $this->cacheEnabled = false;
+        }
+        $this->cacheDir = ini_get('soap.wsdl_cache_dir');
+        if (!is_dir($this->cacheDir)) {
+            $this->cacheDir = sys_get_temp_dir();
+        }
+        $this->cacheDir = rtrim($this->cacheDir, '/\\');
+        $this->cacheTtl = ini_get('soap.wsdl_cache_ttl');
+        $this->options = $options;
+        if (!isset($this->options['resolve_xsd_includes'])) {
+            $this->options['resolve_xsd_includes'] = true;
+        }
+    }
+
+    /**
+     * Download given WSDL file and return name of cache file.
+     *
+     * @param string $wsdl
+     * @return string
+     */
+    public function download($wsdl)
+    {
+        // download and cache remote WSDL files or local ones where we want to
+        // resolve remote XSD includes
+        $isRemoteFile = $this->isRemoteFile($wsdl);
+        if ($isRemoteFile === true || $this->options['resolve_xsd_includes'] === true) {
+            $cacheFile = $this->cacheDir . DIRECTORY_SEPARATOR . 'wsdl_' . md5($wsdl) . '.cache';
+            if ($this->cacheEnabled === false
+                || !file_exists($cacheFile)
+                || (filemtime($cacheFile) + $this->cacheTtl) < time()) {
+                if ($isRemoteFile === true) {
+                    // new curl object for request
+                    $curl = new Curl($this->options);
+                    // execute request
+                    $responseSuccessfull = $curl->exec($wsdl);
+                    // get content
+                    if ($responseSuccessfull === true) {
+                        $response = $curl->getResponseBody();
+                        if ($this->options['resolve_xsd_includes'] === true) {
+                            $this->resolveXsdIncludes($response, $cacheFile, $wsdl);
+                        } else {
+                            file_put_contents($cacheFile, $response);
+                        }
+                    } else {
+                        throw new \ErrorException("SOAP-ERROR: Parsing WSDL: Couldn't load from '" . $wsdl ."'");
+                    }
+                } elseif (file_exists($wsdl)) {
+                    $response = file_get_contents($wsdl);
+                    $this->resolveXsdIncludes($response, $cacheFile);
+                } else {
+                    throw new \ErrorException("SOAP-ERROR: Parsing WSDL: Couldn't load from '" . $wsdl ."'");
+                }
+            }
+            return $cacheFile;
+        } elseif (file_exists($wsdl)) {
+            return realpath($wsdl);
+        } else {
+            throw new \ErrorException("SOAP-ERROR: Parsing WSDL: Couldn't load from '" . $wsdl ."'");
+        }
+    }
+
+    /**
+     * Do we have a remote file?
+     *
+     * @param string $file
+     * @return boolean
+     */
+    private function isRemoteFile($file)
+    {
+        $isRemoteFile = false;
+        // @parse_url to suppress E_WARNING for invalid urls
+        if (($url = @parse_url($file)) !== false) {
+            if (isset($url['scheme']) && substr($url['scheme'], 0, 4) == 'http') {
+                $isRemoteFile = true;
+            }
+        }
+        return $isRemoteFile;
+    }
+
+    /**
+     * Resolves remote XSD includes within the WSDL files.
+     *
+     * @param string $xml
+     * @param string $cacheFile
+     * @param unknown_type $parentIsRemote
+     * @return string
+     */
+    private function resolveXsdIncludes($xml, $cacheFile, $parentFile = null)
+    {
+        $doc = new \DOMDocument();
+        $doc->loadXML($xml);
+        $xpath = new \DOMXPath($doc);
+        $xpath->registerNamespace(Helper::PFX_XML_SCHEMA, Helper::NS_XML_SCHEMA);
+        $query = './/' . Helper::PFX_XML_SCHEMA . ':include';
+        $nodes = $xpath->query($query);
+        if ($nodes->length > 0) {
+            foreach ($nodes as $node) {
+                $schemaLocation = $node->getAttribute('schemaLocation');
+                if ($this->isRemoteFile($schemaLocation)) {
+                    $schemaLocation = $this->download($schemaLocation);
+                    $node->setAttribute('schemaLocation', $schemaLocation);
+                } elseif (!is_null($parentFile)) {
+                    $schemaLocation = $this->resolveRelativePathInUrl($parentFile, $schemaLocation);
+                    $schemaLocation = $this->download($schemaLocation);
+                    $node->setAttribute('schemaLocation', $schemaLocation);
+                }
+            }
+        }
+        $doc->save($cacheFile);
+    }
+
+    /**
+     * Resolves the relative path to base into an absolute.
+     *
+     * @param string $base
+     * @param string $relative
+     * @return string
+     */
+    private function resolveRelativePathInUrl($base, $relative)
+    {
+        $urlParts = parse_url($base);
+        // combine base path with relative path
+        if (isset($urlParts['path']) && strpos($relative, '/') === 0) {
+            // $relative is absolute path from domain (starts with /)
+            $path = $relative;
+        } elseif (isset($urlParts['path']) && strrpos($urlParts['path'], '/') === (strlen($urlParts['path']) )) {
+            // base path is directory
+            $path = $urlParts['path'] . $relative;
+        } elseif (isset($urlParts['path'])) {
+            // strip filename from base path
+            $path = substr($urlParts['path'], 0, strrpos($urlParts['path'], '/')) . '/' . $relative;
+        } else {
+            // no base path
+            $path = '/' . $relative;
+        }
+        // foo/./bar ==> foo/bar
+        $path = preg_replace('~/\./~', '/', $path);
+        // remove double slashes
+        $path = preg_replace('~/+~', '/', $path);
+        // split path by '/'
+        $parts = explode('/', $path);
+        // resolve /../
+        foreach ($parts as $key => $part) {
+            if ($part == "..") {
+                $keyToDelete = $key-1;
+                while ($keyToDelete > 0) {
+                    if (isset($parts[$keyToDelete])) {
+                        unset($parts[$keyToDelete]);
+                        break;
+                    } else {
+                        $keyToDelete--;
+                    }
+                }
+                unset($parts[$key]);
+            }
+        }
+        $hostname = $urlParts['scheme'] . '://' . $urlParts['host'];
+        if (isset($urlParts['port'])) {
+            $hostname .= ':' . $urlParts['port'];
+        }
+        return $hostname . implode('/', $parts);
+    }
 }
\ No newline at end of file