976 - Price Management Algo, Completed Orders

Unless otherwise noted, items below require TWS version 976 or higher.

    Price management algo: We have added support for a default value for use with our price management algo attribute. More information on IBKR's new price management algo can be found at https://www.interactivebrokers.com/en/index.php?f=15491.
    Completed orders: The function reqCompletedOrders() allows all completed orders, whether filled or cancelled, to be returned.