Add Helm of the Overlord to heroes who plan to buy HOTD or vladmir.
Replace Vladmir with Morbid Mask and Diffusal Blade in Ursa's item list.
Remove Ultimate Orb for heroes who plan to buy Silver Edge.
Fix format error in item_purchase_tusk.
Fix several nil pointer reference bugs.
Update clinkz to 7.30:
Update the usage of the new first skill.
Update the skill learning order.
Update the usage of the ultimate skill: when there is no good neutral available, find something to eat anyway.
Remove the enemy check in item_purchase_skeleton_king.
Update KOTL's item list and skill learning order.
Fix lane choice error in pushing tower.
Fix the internal name of Gleipnir and Aghanims Blessing.
Fix syntax error in ability_item_usage_luna.
Fix unimplemented functions.
Now bots will sell Witch Blade and Madness Mask in late game.
Changes: