Gear price updates (Patreon)

I've made some slight adjustments to the weights and costs of weapons in the economics document.

Link: https://docs.google.com/spreadsheets/d/1VUgNmRpclPZrd9DcBaRG_b3zoqPMvgLX7z_Fygw5ons/edit#gid=1224525515

Specific updates:

Scythe weighs 1lb instead of 2lb.
Battle Axe costs 550cp instead of 500.
Wood Axe costs 350cp instead of 300.
Hand Axe costs 150cp instead of 100cp.
War Hammer costs 400cp instead of 200cp.