Demo Update 0.5.4 — Planetary Life Steam update #390101

Changes Improved atmosphere, showing a bluer sky and stars at night. Changed how evolution menu works: now you can do many changes, but each change will have a cost. At the end, the price of all changes will be subtracted from your energy. Changed reproduction algorithm to avoid overpopulation of the planet. Changed filtering by mutation to filtering by low population. Now mutation rate artifact can change to decreasing the rate. Now reproduction rate artifact can change to decreasing the rate. Creatures gets hungry more times during their life (specially fixed for carnivores). Balanced some properties for mouths. Some performance improvements. Bugs fixed Fixed bug with omnivores not going on hunting if plants were not found. Fixed trees pop-in bug.