Update clue/buzz-react to v0.4.0

Author: clue

composer.json

@@ -16,7 +16,7 @@
     "require": {
         "php": ">=5.3",
         "react/event-loop": "~0.3.0|~0.4.0",
-        "clue/buzz-react": "~0.3.0",
+        "clue/buzz-react": "~0.4.0",
         "react/promise": "~2.0|~1.1",
         "clue/json-stream": "~0.1.0"
     },

tests/ClientTest.php

@@ -342,7 +342,7 @@ private function expectRequest($method, $url, Response $response)
 
     private function createResponse($body = '')
     {
-        return new Response('HTTP/1.0', 200, 'OK', null, new Body($body));
+        return new Response('HTTP/1.0', 200, 'OK', array(), new Body($body));
     }
 
     private function createResponseJson($json)

tests/Io/ResponseParserTest.php

@@ -32,7 +32,7 @@ public function testEmpty()
 
     private function createResponse($body = '')
     {
-        return new Response('HTTP/1.0', 200, 'OK', null, new Body($body));
+        return new Response('HTTP/1.0', 200, 'OK', array(), new Body($body));
     }
 
 }