Better Keep Inventory

Added

• Support for BetterReload!
• New option only-in-specific-worlds for toggling if this only takes affect in specific worlds or all worlds

Quick recode

• Fixed EXP dropping
• Added a permission option to config to require a permission for the keep inventory. If enabled permission is betterkeepinventory.keep
• Reload command changed to betterkeepinventory reload
• Added base permission for all commands (Only reload at this point) betterkeepinventory.commands

Fixed issue with command permission