Use tagged api-clients/middleware-json

Author: WyriHaximus

composer.json

@@ -13,7 +13,7 @@
         "php": "^7.0",
         "api-clients/client-services": "dev-master",
         "api-clients/foundation": "dev-master",
-        "api-clients/middleware-json": "dev-master",
+        "api-clients/middleware-json": "^1.0",
         "api-clients/middleware-user-agent": "^1.0",
         "api-clients/service": "dev-master"
     },