v1.6 uploaded - added a quest to the "overseas trade" skill that will net the player a general with guaranteed +50% skill research and a scorpion brigade

v1.5 uploaded - made some revisions to the code to better adhere to lua syntax and not perform most of the trading algorithm while no trade skill has been researched

v1.4 uploaded - when exporting goods, ship speed now reduces the loss of trade income from piracy

v1.3 uploaded - changed naval tech tree to give earlier access to trading mechanic without need to research "naval technology" first

v1.2 uploaded - fixed bug with oxcarts carrying negative supplies that happend due to different behaviour of giveresource() command for oxcards inside and outside cities

v1.1 uploaded

- cleaned up a reference to "trade policies" (an older design draft) in the tooltip for the merchant fleet skill
- reduced the gold cost for tade posts (import) from 10 to 5 to make it consistent with trade posts (export)

v1.0 uploaded