I thought this was discussed somewhere, but I can't find the thread.
I've updated my authorization to the one you gave me Dani. If I now start my DwArticleWatch after a while (about 2 hours, but unconfirmed) I get an error message that curl failed. I think the access token has timed out at that point (or the session associated with it). If I reload the authorization page, and go back to the watch, it works again. Do I need to implement a refresh method? Looks like it breaks earlier then the mentioned 24 hours.