scenes/levels: fix two crash in player.lua

imperium-porcorum.love/scenes/levels/entities/player.lua

@@ -199,7 +199,7 @@ end
 
 function Player:changeWeapon(id)
   local maxWeapon = #self.stats.weaponList
-  self.weaponID = wrap(id, maxWeapon)
+  self.weaponID = utils.math.wrap(id, 1, maxWeapon)
   self:setWeapon()
 end
 
@@ -264,7 +264,7 @@ function Player:die()
   --self.xsp = 0
   --self.ysp = 0
   --currentLevel.world:update(self, self.x,self.y)
-  self.level:setDeathTimer(1)
+  self.manager:setDeathTimer(1)
   self:destroy()
 end