new file:   LICENSE
	new file:   TODO.md
	renamed:    histograms.py -> images/histograms.py
	renamed:    histograms_pt_buy_dnd4.py -> images/histograms_pt_buy_dnd4.py
	new file:   rpg/attacks.py
	renamed:    bag.py -> rpg/bag.py
	new file:   rpg/creatures.py
	renamed:    modifiers.py -> rpg/modifiers.py