fix: sf3 bc breaks

Author: redjam13

src/BeSimple/SoapBundle/Controller/SoapWebServiceController.php

@@ -21,7 +21,7 @@
 use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\HttpKernel\Exception\FlattenException;
+use Symfony\Component\Debug\Exception\FlattenException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\HttpKernel\Log\DebugLoggerInterface;
@@ -68,7 +68,9 @@ public function callAction($webservice)
 
         $this->serviceBinder = $webServiceContext->getServiceBinder();
 
-        $this->soapRequest = SoapRequest::createFromHttpRequest($this->container->get('request'));
+        $request = $this->container->get('request_stack')->getCurrentRequest();
+
+        $this->soapRequest = SoapRequest::createFromHttpRequest($request);
         $this->soapServer  = $webServiceContext
             ->getServerBuilder()
             ->withSoapVersion11()
@@ -99,7 +101,7 @@ public function definitionAction($webservice)
             )
         ));
 
-        $request = $this->container->get('request');
+        $request = $this->container->get('request_stack')->getCurrentRequest();
         $query = $request->query;
         if ($query->has('wsdl') || $query->has('WSDL')) {
             $request->setRequestFormat('wsdl');

src/BeSimple/SoapBundle/Handler/ExceptionHandler.php

@@ -14,7 +14,7 @@
 
 use BeSimple\SoapServer\Exception\ReceiverSoapFault;
 use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\HttpKernel\Exception\FlattenException;
+use Symfony\Component\Debug\Exception\FlattenException;
 
 /**
  * @author Francis Besset <[email protected]>

src/BeSimple/SoapBundle/WebServiceContext.php

@@ -44,7 +44,7 @@ public function getServiceDefinition()
         if (null === $this->serviceDefinition) {
             $cache = new ConfigCache(sprintf('%s/%s.definition.php', $this->options['cache_dir'], $this->options['name']), $this->options['debug']);
             if ($cache->isFresh()) {
-                $this->serviceDefinition = include (string) $cache;
+                $this->serviceDefinition = include $cache->getPath();
             } else {
                 if (!$this->loader->supports($this->options['resource'], $this->options['resource_type'])) {
                     throw new \LogicException(sprintf('Cannot load "%s" (%s)', $this->options['resource'], $this->options['resource_type']));
@@ -82,7 +82,7 @@ public function getWsdlFile($endpoint = null)
             $cache->write($dumper->dump());
         }
 
-        return (string) $cache;
+        return $cache->getPath();
     }
 
     public function getServiceBinder()