Updated api-clients/pusher to 1.0 (stable)

Author: WyriHaximus

composer.json

@@ -22,7 +22,7 @@
     "api-clients/middleware-json": "^3.0||^2.0",
     "api-clients/middleware-token-authorization": "^3.0",
     "api-clients/middleware-user-agent": "^2.0",
-    "api-clients/pusher": "dev-master",
+    "api-clients/pusher": "^1.0",
     "api-clients/rx": "^2.0",
     "api-clients/rx-operators": "^2.0"
   },