-Changed the trigger event for the Abandoned Terraforming chain so it cannot spawn on machine ringworlds.

-Updated for 2.0.
-Changed terraform costs from 15,000 energy to 10,000 energy.
-Changed the production bonus from +25% to +20%.

-Updated for 1.9

-Food is now removed when you terraform to a machine ringworld, same as terraforming to a regular machine world.

-Fixed terraform costs so they're not so high.

-One more typo. I promise!

-Fixed a typo

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