Bump version to 1.4.1 and tighten client handling

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pulse-signage",
-  "version": "1.4.0",
+  "version": "1.3.1",
   "private": false,
   "description": "Pulse Signage application with MySQL and media uploads",
   "repository": {