Fix double insert detection

add_to_handy_menu.py

@@ -43,10 +43,16 @@ def add_to_handymenu(user, cmd, category):
         lastId = max(app['id'], lastId)
         if(app['name'] == category):
             for launcher in app['apps']:
-                if(launcher['Exec'] == cmd['Exec']):
+                if(launcher['cmd'] == cmd['cmd']):
                     alreadyIn = True
             if(not alreadyIn):
                 app['apps'] += [cmd]
+            else:
+                print("The command '{cmd}' is already in {category} under the name : '{name}'".format(
+                    cmd=cmd['cmd'],
+                    category=category,
+                    name=cmd['name']
+                ))
             found = True
 
     if(not found):