Some further difficulty scaling across difficulty settings

Some campaign-difficulty based tweaks, making things a little bit easier for people playing on low difficulty settings. :)

A few minor tweaks

A small AI fix

Assorted tweaks and adjustments

Fix for a bad mod<>mod<>mod interaction that could happen when the unholy trifecta of stars aligned and the mutons became one and all

A few user quality of life enhancements, and a fix for an extremely rare and very weird visual bug that could cause a muton to end up walking upside down.

The first of several Aura Farming updates.

Small tweaks and adjustments

Updated spawning ruleset heuristic calculations and handling, added fallback systems and a contingency measure to repopulate an enemy pod if somehow a pod with bad data is passed to the Requiem Spawning Ruleset