
History of Charm releases

1.0 Initial release
1.1 Interface and logic were changed to accept a different margin
    for each item, and a different tax rate for each category, 
    users can select among 3 currency symbols (dollar, pound, yen).
1.2 Improved support for using Charm on file mapped networks.
1.3 Major changes to the interface, added code to permit maintaining
    a list of customers.
