Update the project
        :param kwargs: Project properties

def update(self, **kwargs):
        """
        Update the project
        :param kwargs: Project properties
        """

        old_json = self.__json__()

        for prop in kwargs:
            setattr(self, prop, kwargs[prop])

        # We send notif only if object has changed
        if old_json != self.__json__():
            self.controller.notification.emit("project.updated", self.__json__())
            self.dump()