Baseline human sprites.
Human hats and hair.
Merge https://github.com/JapaMala/stonesense
Enhancement to lazy tile deletion that skips segment optimization when tiletypes have not changed.

~60% reduction to segment beautification tiles when not actively
scrolling the map around, no visible penalty even when you are
Minor fix that increases the non-scrolling efficiency.

Now at around ~75% improvement when not scrolling.
Small tweak to allow floor props.
Revert "Minor fix that increases the non-scrolling efficiency."

This reverts commit 71544d3cb9a9bcd5e88bf30b7f8905184f733b7f.
Revert "Enhancement to lazy tile deletion that skips segment optimization when tiletypes have not changed."

This reverts commit 04d84c9f8a21da22f96a17d245a51850e6386381.