TODO:
45 *Can upgrade ship: weapon, hull, fuel, cargo
	always adds
	blue lasers + laser beam + side lasers + bombs +
		missiles etc (no configuration)
30 *different stock at each planet, rare items are in one spot only
fix planet scanner to be in the right direction

Ships and planets belong to factions
killing ships of a faction makes that faction not like you,
	but their enemy faction like you
killing unfactioned ship makes faction of the planet you are
	near not like you
30 *resources spread when you kill a ship, can collect if space
the more hated you are by a faction, the more likely their ships
	will spawn and chase you when in open space
if you are dying and have a faction that likes you, there is a chance
	the liked faction will spawn and save you

15 *random system
saving