Added Backwards compatibility, tested with 1.12.2 but could work lower.
Added full translation system.

Added customisable currencies (add infinite amounts of currency)
Currencies can now have "weights" for example:
VaultValue by default is 1
If a currency has a value of 2 then 1 of that item is 2 in vault currency
(Example usage: have a 1 Dollar note, 5 Dollar note etc.)

Added a full bank system.
Banks can support a custom amount of currencies for example:
Have a bank called "English Bank" and only have pounds in it.
Have another bank called "Finnish Bank" and put euros in it.
Have another bank called "American Bank" and put dollars in it.
etc.

Added custom aliases to all commands through the settings menu.
Added /bank command - This opens a GUI with all banks
Added /bank <bank name> command - This opens the specific bank
Added "epiccurrency.bank" permission - This allows the use of /bank <bank-name>
Added "epiccurrency.bank.view" permission - This allows the use of /bank
Added "epiccurrency.user.bank.back" permission - This puts the user back on the bank overview page when they click back

Added /epiccurrency command - This is the admin GUI
Added "epiccurrency.admin" permission - Allows access the the admin GUI