Update #31 patch #3

Hey everyone! This small patch provides a hefty optimization to the CPU side of things. - optimized the quadtree module: * a performance uplift of up to 20% or more (your mileage may vary) depending on the situation * reduced frame drops and hitching when moving the camera around * this has also very, very slightly lowered memory usage If you come across any issues be sure to [url=http://steamcommunity.com/app/773580/discussions/0/1697167355224875163/]report them here[/url]. Thanks for reading!