✦ Changes:
● Updated all libraries to the latest version.
● Allows all PlaceholderAPI placeholders on menu filler items.
● Now the refresh delay of menus will be applied to active menu fillers.
● Added caching for current items on menu fillers.

✦ Changes:
● Updated all libraries to the latest version.
● Fixed a few issues with buy upgrade cooldowns.
● Fixed a few issues with user saving data.

✦ Changes:
● Added the ability to use custom items from the ItemsAdder plugin.
● Other general optimizations

✦ Changes:
● Updated all libraries to the latest version.
● Optimized the heads with textures on legacy versions.
● Added the ability to use heads from the HeadDatabase plugin.
● Added HIDE_UNBREAKABLE item flag on unbreakable display items.
● Added the ability to use item flags on display items

✦ Changes:
● Added the ability to use custom items from the ItemEdit plugin.
● When display items have no custom name will hide the vanilla name.
● Added better compatibility with legacy display items settings.

✦ Changes:
● Updated all libraries to the latest version.
● Allows all PlaceholderAPI placeholders on the title of preview menus.
● Huge improvements on menu fillers.

✦ Changes:
● Added the ability to use PlaceholderAPI placeholders anywhere.
● Fixed a few issues with plugin hooks.
● Other general optimizations

✦ Changes:
● Updated all libraries to the latest version.
● Fixed an issue on saving online users when a user is not fully loaded.
● Now is saving only loaded kits on the user database.
● Now users can upgrade kits only if the transaction is successful.

✦ Changes:
● Fixed an issue with the {maximum_usages} placeholder

✦ Changes:
● Updated all libraries to the latest version.
● Fixed a few issues from the previous update.
● Recoded and improved the economic system.
● Fixed an issue with buy delay when upgrading to the maximum kit level.
● Other general fixes and improvements.