- handle loading and unloading of saves better
- made sure it never triggers bogus events on loading a save
- plugins should now handle loading themselves with onStateChange
- special case to make Buildings module keep track of all buildings correctly on load
- fixed syndrome detection
- was broken because of the switch from ticks-since-the-dawn-of-time to world->frame_counter
- added lastSyndromeTime global
- fixed possible off by one error when looking for new created items
- got rid of the unread lastTick global
- const'ed the function pointer array of eventManagers
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