MILAN (Reuters) - The Italian government won a gruelling vote of confidence on its 2019 budget in the upper house in the early hours of Sunday, as it races to get the package approved before a year-end deadline.The budget now has to be approved by the lower house of parliament by Dec 31 so it can take effect from the start of the new year.The government of the anti-establishment 5-Star Movement and the right-wing League won the vote 167-78, with three abstentions.Last Wednesday, the European..