Fixed serialization issue

redistrade.usecurrency.default permission is now enabled by default
Added r edistrade.admin permission
Currency button lore is not italic by default anymore

The multi-currency feature is finished
This is not compatible with BETA versions:
You'll need a brand-new SQL database

/trade-stresser command toggle the lagger, used to test trades under stress conditions (ticks lasting longer than 50ms)

Asynchronized all database methods
New data structure for ItemBuilders

Fixes an issue with retrieve status not applying sometimes (only a visual bug)
Fixed IntegritySystem for non-redis users
The plugin will not load when a economy plugin is missing

Complete refactor of the plugin now it is pretty much stable
Added an integrity system to manage cache faults and resynchronization issues
Fixed some bugs related to trade buttons and visualization
Tested in every aspect

General refactor
Fixed bug when restoring cached trades. The target player was viewing gui from trader side
Added reload command

Removed debugging on output stream
Added memory cache
Now the plugin is plug & play

Fixed problems with MySQL and dates for archived trades. More configurations for receipt displays and date-time formatting

Many bugs are fixed now.
Cross-server seems to be working correctly
The trade is not cancelled if you don't retrieve your items