Course.grades onlyRecent broken

[lieuwex]

onlyRecent on Course.grades is pretty much broken, it's temp disabled in commit 3d8b0ae.

The problem is that Magister only sends a small part of the grade if we ask for only the recent grades, although we use some of the info we should've received otherwise. We can fetch all the grades in the same period when the user calls Grade.fillGrade. But I'm not sure if that's a good idea, since that kinda defeats the purpose of onlyRecent. An other option is to disable onlyRecent, and just use it to limit the from parameter, to min 7 days ago.