Scrambling backpacks, resetting stranges, increasing item histories

[bobjane]

It might be a good idea to implement a limit to what items are used for the purpose of increasing the trade counter - for example limit it to scrap metals.

As it is it's trading everything in the backpacks randomly:

• Large backpacks get scrambled
• Stranges get reset
• High value items with short histories get traded around

Too late for me but might be appreciated by other users.