The old mode where squadrons started empty and had no size limit is
going away.
I bumped the campaign versions for the ones that claimed support and
tested a handful. All of Fuzzle's campaigns actually had the wrong
version in the yaml. They claim support for this but none that I tested
actually fit within the limits (despite having sizes defined). Either it
was supposed to be 10.7, or maybe the airports lost some parking.
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