- Added shop refund message
- Recoded Register for ChestShop
- Added VAULT support (Register is used when no Vault is found)
- Added Heroes exp option for granting exp for shop creation
- EXPERIMENTAL: Option to cause BlockState.update() every transaction (probably doesn't work, as Block.applyPhysics() is needed)
- Added ChestShop.nofee permission for free shop creation (and no refunds)
- Added a separate Admin Shop tax option
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