Updated to latest rx/websocket

Author: WyriHaximus

composer.json

@@ -18,7 +18,7 @@
     "clue/block-react": "^1.1",
     "ocramius/package-versions": "^1.1",
     "reactivex/rxphp": "^1.5.2",
-    "rx/websocket": "^0.9.2"
+    "rx/websocket": "^0.10"
   },
   "require-dev": {
     "api-clients/test-utilities": "^2.0"