[Feature] Backpack 3D model
[Improvement] Rapid clicking on crafting slot fixed
[Improvement] Shift clicking items from one inventory to another, order changed
[BugFix] incredible damage when wearing ender backpack caused by damage value
[Improvement] backpacks are made out of leather so give armor like leather chest plate
[BugFix] NullPointer caused when opening GUI when current item is not a backpack because player switched hotbar slot during lag
[Feature] added support for NEI recipe ?
[Feature] Three new config options
- maxBackpackAmount limits the amount of backpacks a player can have in his inventory
- openOnlyWearedBackpacks restricts the player from opening a backpack by rightclicking
- airshipModCompatibility changes the recipe of normal backpack to require a chest in the middle