It shall be lawful for the Superior Courts of Common Law, and every Judge thereof, and any Judge sitting at Nisi Prius, at all Times to amend all Defects and Errors in any Proceedings under the Provisions of this Act, whether there is anything in Writing to amend by or not, and whether the Defect or Error be that of the Party applying to amend or not; and all such Amendments may be made with or without Costs, and upon such Terms as to the Court or Judge may seem fit; and all such Amendments as may be necessary for the Purpose of determining in the existing Suit the real Question in controversy between the Parties shall be so made, if duly applied for.