Update Ratchet

composer.lock

@@ -8,16 +8,16 @@
     "packages": [
         {
             "name": "cboden/ratchet",
-            "version": "v0.4",
+            "version": "v0.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ratchetphp/Ratchet.git",
-                "reference": "c03b1b0f56d1732a4bffcdbef5eae444f8c9e73b"
+                "reference": "0d31f3a8ad4795fd48397712709e55cd07f51360"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ratchetphp/Ratchet/zipball/c03b1b0f56d1732a4bffcdbef5eae444f8c9e73b",
-                "reference": "c03b1b0f56d1732a4bffcdbef5eae444f8c9e73b",
+                "url": "https://api.github.com/repos/ratchetphp/Ratchet/zipball/0d31f3a8ad4795fd48397712709e55cd07f51360",
+                "reference": "0d31f3a8ad4795fd48397712709e55cd07f51360",
                 "shasum": ""
             },
             "require": {
@@ -25,8 +25,8 @@
                 "php": ">=5.4.2",
                 "ratchet/rfc6455": "^0.2",
                 "react/socket": "^1.0 || ^0.8 || ^0.7 || ^0.6 || ^0.5",
-                "symfony/http-foundation": "^2.2|^3.0",
-                "symfony/routing": "^2.2|^3.0"
+                "symfony/http-foundation": "^2.6|^3.0|^4.0",
+                "symfony/routing": "^2.6|^3.0|^4.0"
             },
             "require-dev": {
                 "phpunit/phpunit": "~4.8"
@@ -57,7 +57,7 @@
                 "sockets",
                 "websocket"
             ],
-            "time": "2017-09-14T12:18:28+00:00"
+            "time": "2017-12-12T00:49:31+00:00"
         },
         {
             "name": "clue/buzz-react",