Added ReadMe.txt

When unable to make change, machine will dispense item with enough money inserted and display THANK YOU then EXACT CHANGE ONLY. Refactored MakeChange() method.

When unable to make change machine will keep anything over item price.

When unable to make change display is EXACT CHANGE ONLY instead of INSERT COIN.

Displays current amount inserted after displying SOLD OUT.

When selected item is out of stock in machine display is SOLD OUT.

Cleaned dead code.

Make correct change when item selected is less than total money inserted. Refactored SelectItem().

Verify MakeChange() returns 2 quarters, 1 dime and 1 nickle for 65 cents change.

When an item is selected with enough money, displays PRICE<$item> then the current amount. Refactored UserDisplay() and SelectProduct().

Displays INSERT COIN after THANK YOU after dispensing item. Refactored UserDisplay(), ReturnCoins() and SelectProduct() to incorporate state machine design.

When Chips item is selected with enogh money inserted, dispenses prodeuct and dipslays THANK YOU. Refactored UserDisplay().

When return is pressed total is set to zero and displys is INSERT_COIN.

Updates and display total with each inserted coin. Reordered test to handle mods to UserDosplay().

Displays INSERT COIN when no money is inserted.