Added a missing part for the gui debugger in the jar for the version 5.5 + Fixed an error when typing in chat an amount ( Because moved to the AsyncPlayerChatEvent instead of the PlayerChatEvent )

[Fix] Fixed a bug with the interest placeholder where you weren't able to put a cooldown higher than 59 minutes.
[Fix] Fixed many bugs related to loading and saving balances from "players.yml".
[Fix] Fixed a startup error where the plugin was failing his startup process and, as result, disabling itself.
[Add] Added 2 suggestions: you can now sync the AFK status with Essentials + you can now choose a permission that is required to receive offline interest.
[Add] Added a debug command for chat, gui and interest, to understand better the situation in case an users is having problems with the plugin.