1.2.0

Revamped Fusion Support, updated to LabFusion v1.9.3. The items not get put in the inventory slots (it may not sync to players joining after inventory load, Lakatrazz said its a problem with fusion)
Revamped the BoneMenu, added a ton of settings and "categories"
Revamped the README
Added a simple toggle to disable or enable blacklist for BONELAB levels
Added more information in console for easier debugging as well as error checking
Added notifications, indicating things such as errors, loaded inventory etc.
Added saving and loading gun data, such as how many rounds are left, is there a mag etc. (Contains Fusion Support only for players that have KeepInventory)
Added an indicator of version in BoneMenu, also displays when a new version is available
Fixed issue with BONELAB levels attempting to spawn items in inventory slots that are being overwritten, causing them to be dropped in front of player
Fixed issue with loading ammo crashing the game due to protected memory
Fixed issue with slots such as the Head not being saved nor loaded.

1.1.1

Introduced Fusion Support! (When in server and loading inventory, the saved items will spawn in front of you)
Fixed issue with incorrect version displaying on MelonLoader

Replaced Settings class with Melon Preferences (Now settings actually save)
Added ammo saving!
Added Persistent Saves, which save the inventory so they can be used even when you leave the game, can be configured in BoneMenu Settings!
Added the ability to blacklist levels from saving/loading inventories, can be done in BoneMenu Settings!
Added a bit of documentation in source code

Created the whole thing, so you can keep inventory between levels, what do u really want me to say in v1.0.0?