0.1.9 - 02/17/2011
	-extensive changes to random number generation
		removed Random.c/.h most all of Life.c affected
	-changes to Tribe_Actions()
	-fixed bug where higher elevations weren't getting the right temperature
	-various other experimental changes
0.1.8 - 02/16/2011
	-fixed bug in Tribe_Migrate() causing destination rating ties to not be chosen correctly
	-created Set_Region_Permutation() to fix "verticle columns" issue created by the
		fact that an open space is more likely above a tribe than below
	-Tribe_Interactions() speed/space tradeoff: (removed 2 for loops, 8 if statements, 2 lrand calls) / (added 36 bytes)
	-other small changes
0.1.7 - 02/16/2011
	-changed Color chart to be more readable
	-slight Fight_Tribe change
	-extensive code cleanups
	-other small changes
0.1.6 - 02/15/2011
	-legend added to interface, png support
	-Fight_Tribe changes
	-added LR_DATE
	-added -g/-v for lrstats
	-added -h/-v for lr
	-other small changes	