core.ValidateItems now used by the FindItems code. This function now nil...

...s items if they aren't in your backpack.

item:GetSlot() now returns a number between 1-12 instead of it's true inventory number

Fixed an issue with RhapsodyBot not being able to activeate her shrunken head

Fixed a bug with new bot code when they use hatchet
* Changed all bot code that looks like this: "(unit and unit.object) or unit" to this: "local unitParam = (unit ~= nil and unit.object) or unit"

Fixed a bug with new bot code when they use the last of a regen item before the next assess frame

misc. cleanup

unit:GetCreepKills()
unit:GetNeutralKills()
unit:GetCreepDenies()