Improved upload API

package.json

@@ -5,7 +5,7 @@
     "build": "npm run sass && npm run jsx"
   },
   "devDependencies": {
-    "nativejsx": "^4.3.0",
+    "nativejsx": "https://github.com/j3l11234/nativejsx/archive/4.2.0.2.tar.gz",
     "node-sass": "^4.7.2"
   }
 }