The thread is about addons communicating with a site without having to restart the game, but as stated even doing reloading of the UI can only be used to upload fresh data obtained, can't load new data as it will first overwrite the variable in the file, then reload it with no time to edit it.
If you logout the program in the background can upload the new data, then download new data and insert it in the file, before the user enters the world again -that way you would achieve loading data from a site, but not while remaining in the game all the time.
