'Returns most recent ReviewerScore records.'

@classmethod
def get_recent(cls, user, limit=5):

    key = cls.get_key(('get_recent:%s' % user.id))
    val = cache.get(key)
    if (val is not None):
        return val
    val = ReviewerScore.objects.filter(user=user)
    val = list(val[:limit])
    cache.set(key, val, None)
    return val
