The topic was started here:
and continued for some time here:
...then it was put aside, mainly due to lack of interested people (and for lack of time, both from me and from Nuno).....
I am attaching the original version from Nuno here, there will hopefully in a short time an update with my "enhanced version".
People willing to try it should REALLY read carefully the above two threads to make the needed changes to make it basically work.