def update_user_projects(self, user):
        self.get_or_create_for_user(user)
Creates a new DefaultVersionSet.
dataset/ETHPy150Open nvbn/coviolations_web/projects/models.py/ProjectManager.update_user_projects--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/appcfg.py/DefaultVersionSet.__init__