[+] Fix CMI sell price hook.
[+] Make sell ran synchronously due to some issues.
[+] Fix flaw in the pickup logic
[+] Fix flaw in selling and transaction log logic
[+] Add {items_stored} placeholder for the hologram

[+] Admins can now break others chunk collector.
[+] Add EconomyShopGUI as the worth provider.
[+] Add CMI as the worth provider.
[+] Add CollectorSellEvent, CollectorSellOneEvent, CollectorSellAllEvent to detect whenever player sells a collector contents.
[+] Add CollectorCollectEvent to detect whenever chunk collector collects something.
[+] Disable chunk collector from picking up Slimefun items.
[+] Add more items to the BuiltIn worth.

[+] Fix wrong item being parsed on NextGens deserialization (This fix will fix a problem where you can't sell NextGens drop that was received from collector items menu using /sell command)
[+] Now uses async task to pick up items from collector items menu.

[+] add: pick up sound for chunk collector
[+] fix: make sure nextgens installed when registering custom items
[+] fix: error when collector items is empty

[+] Add 1.21.4 support
[+] Improved how chunk collector collects item from hoppers
[+] Add pagination system to collector items menu
[+] Add NextGens integration, now chunk collector could collect items generated from generators (required NextGens v1.2.6), keep in mind this feature is still experimental.
[+] Add bStats metrics
[+] Add update notifier for spigot

[+] Optimizing transferring items with hopper to chunk collector
[+] Revamping collector items menu