Slartboz: 2 new screenshots

Screenshots from a recent dev session. 

Among other things, added an Utterance Chooser submode overlay. Like a menu of choices for what the player's avatar (a teen Normerikan boy named Abro) might say next.

Also added some more latency instrumentation for my homegrown game engine's Golang source code. Identified a few hot spots I was concerned about (code flow spans that were more latency expensive than I'd like) and refactored their impls. I then compared measurements of the offending calls, made Before vs After. GREAT SUCCESS! 

Some of the planned upcoming demo videos will have VERY large numbers of sprites on the screen at once, and I want the play UX to remain smooth and easy as butter. 

Technically I'd like the engine to become as smooth as Abro and as easy as Bonk's mom. but that's harder to measure