old_done

general default vs world size checks [done 6/10/19]

find/fix default mountain diam bug		[done 5/26/19]

new overworld tile generation		[done 8/26/18]
add the slope slider			[done 8/9/18]
fork a separate OW tiler		[done 8/9/18]
add slope to level setting		[done 8/11/18]
instantiate slope level map in tiler	[done 8/23/18]
add general terrain class to rules	[done 8/23/18]
    and remove alt/slope from rules	[done 8/23/18]
terrain class based tile selection	[done 8/26/18]

new outside tile generation
change level map so that 		[done 9/9/18]
	PIT becomes GROUND
	all SUPER-GROUND becomes HILL

add slopes to terrain type		[done 9/14/18]

L1 GROUND and WATER with new tiles	[done 9/14/18]
L1 HILL with new tiles			[done 9/14/18]
L1 HILL wall auto-tiling		[done 9/14/18]
L5 shadows				[done 9/14/18]
L1 south walls				[done 9/14/18]

shadow cleanups				[done 9/15/18]

level sensitive auto-tiling		[done 9/15/18]

4-neighbor tiling			[done 9/15/18]

unify Outside/Overworld Tilers		[done 9/16/18]

OverworldExport->RPGMexport		[done 9/17/18]

unified RPGMexport GUI creation		[done 9/18?/18]

setlevels unification			[done 9/24/18]

play with highland dirt/grass/snow	[done 9/??/18]
	they seem to work now

create new RPGMLeveler module and	[done 10/7/18]
move level computation into it

add the flora GUI widgets		[done 10/7/18]

move to new bidding model		[done 10/26/18]
	double, sum of characteristics

new new bidding model
	flat/taper, strict/flex		[done 11/09/18]

outside flora placement			[done 11/09/18]

fix grass under brush/trees		[done 11/10/18]
	test conifers, snow

update overworld rules			[done 11/10/18]

fixed auto-tile for highland ground	[done 11/22/18]
  cover not to create gratuitious barriers

better flora stamp handling		[done 11/24/18]

added temp slider			[done 11/24/18]

reduced calls to export			[done 11/25/18]