Total overhaul of how commands are executed (server-side), fixes #387

src/js/services/core/actions.js

@@ -53,6 +53,12 @@ export function startSearch(search_type, query, only_mopidy = false){
 }
 
 export function handleException(message, data = {}, description = null, show_notification = true){
+    if (!message && data.message){
+        message = data.message;
+    }
+    if (!description && data.description){
+        description = data.description;
+    }
     return {
         type: 'HANDLE_EXCEPTION',
         message: message,