499.—Whenever any goods are placed in the custody of a wharfinger or warehouseman, under the authority of this Part of this Act, the wharfinger or warehouseman shall be entitled to rent in respect of the same, and shall also have power, at the expense of the owner of the goods, to do all such reasonable acts as in the judgment of the wharfinger or warehousemen are necessary for the proper custody and preservation of the goods, and shall have a lien on the goods for the rent and expenses.