Changes/Fixes to Channels/Hotkeys/Inventory Slots.

- Fixed issue with opening multiple instances of the same message channels (will focus the channel if already exists).
- Added tooltip to the 'Clear message window' button.
- Added keyboard Up/Down press for hotkeys.
- Added inventory slots/images.
- Started on adding soul

modules/game/player.lua

@@ -1,5 +1,19 @@
 -- @docclass Player
 
+InventorySlotHead = 1
+InventorySlotNeck = 2
+InventorySlotBack = 3
+InventorySlotBody = 4
+InventorySlotRight = 5
+InventorySlotLeft = 6
+InventorySlotLeg = 7
+InventorySlotFeet = 8
+InventorySlotFinger = 9
+InventorySlotAmmo = 10
+
+InventorySlotFirst = 1
+InventorySlotLast = 10
+
 function Player:isPartyLeader()
   local shield = self:getShield()
   return (shield == ShieldWhiteYellow or
@@ -37,4 +51,4 @@ function Player:hasVip(creatureName)
     if (vip[1] == creatureName) then return true end
   end
   return false
-end
+end