[+] 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
