ConvexMirror, HalterBox, HorseKing

Added Horse King to Coin NPC for 20 coins
Changed HalterBox (30Day) from consumable: other, to the one that warns
the player first
Changed Convex Mirror to an infinite item
Added 2 new rental boxes for Convex Mirrors, 3 day and 7 day version
Removed Convex Mirror from Coin NPC
Added Convex Mirror 3Day Rental Box to Coin NPC for 200 coins
Added Convex Mirror 7Day Rental Box to Coin NPC for 400 coins

I think that's it...