I uploaded a new beta (not that much done, waiting for the new luatex bins to settle). There's also an updated zip with test files.
There will probably be a current before 2011 but Taco and I need to coordinate that a bit.
Hans
Could you please look into alternating green-red color of references? IIRC Mojca posted a minimal example was back in September/October, but I can't find it. It can be seen in http://pmrb.free.fr/contextref.pdf