24-7-29 add tooltips for indicators of possible good trade routes:
estimated best country/market; the count of overall possible good trade routes; the multiply value of items (consumption/production) * price(cheaper/pricier).

24-7-27 （1）Update a field according to recent a game function change.(States Tab)
(2) add an indicator for possible good trade routes.

24-7-20 - added two buttons at right-top of Market Tab: (1) show/hide Market Goods. (2) Expand all or not.

24-7-19 - added two buttons at right-bottom of Market Tab: (1) show/hide Market Goods. (2) Expand all or not.

24-7-18 - Only show owned trade routes by default, and show all after clicking the button of right-bottom.
- Add numbers to indicate owned trade routes.

24-7-17 - Only show owned trade routes by default, and show all after entering Market panel.
- Add numbers to indicate owned trade routes.

add shortcut key T.

24-7-9 add a button to get all goods if not, support to click a right-bottom button to open the trade routes window.

add weekly gdp