And it is hereby enacted, that no sale for arrears of Revenue or other demands realizable in the same manner, made after the taking effect of this Act, shall be set aside by a Court of Justice except upon the ground of its having been made contrary to the provisions of this Act: And except the contravention thereto shall have been declared and specified in an appeal made to the Commissioner, under Section XVIII. of this Act, and except the action in the Civil Court be instituted within one year form the date of the sale becoming final and conclusive, as provided in Section XX. of this Act: and no person shall be entitled to contest the legality of a sale after having received any portion of the purchase money; Provided, however, and it is hereby enacted, that nothing in this Act contained shall be construed to debar any person considering himself wronged by any act or circumstance connected with a sale under this Act, from his remedy in a personal action for damages against the individual by whose act or omission he considers himself to have been wronged.