baby sprites and some cleanup
first attempt at overlay of stonesense into DF window
moved display flipping into main control
fixed up flags to get render speed up to reasonable levels
fix the upside-down output
fix concurrency issues, work on getting framing done correctly
fix the framing, fix some update tile cases
made the overlay stop displaying itself on inappropriate viewscreens
turn off stonesense completely when the viewscreen doesn't make sense
removed unnecessary suspension of DF thread
adjustment to df-screen-tracking flag duplication
update misnamed function
update init files to match new variable names
tracking mode typo fix
added cursor-follow tracking mode, and fixed the old camera-position bug
clean up some crashes, lay groundwork for overlay ScreenToPoint
remove terrible ancient global variable

BREAK MEGASHOTS AGAIN ಠ_ಠ
SegementRotation becomes just Rotation
megashots  90% fixed

again
tall megashots fixed

still some minor framing strangeness I don't really understand