"Remove one use" token detection

[dscarpac]

The gamekey struggles to detect tokens that are on the periphery of the card, especially when the card is exhausted. (NB: this was changed to avoid cards that overlap with uses, but this has caused a different problem)

Secondly, removing uses starting from the center causes some oddities when there are lots of tokens on the card:

No solutions in mind yet, perhaps tokens could move with cards on exhaust? Or link tokens to the cards they've spawned with (difficult, esp with manual additions)?