[Added] Item options: minQuantity and maxQuantity . Which defines the min and max amount for buying/selling.
[Changed] Category item now supports any custom item stack. [Changed] A shop option 'NPC Id' now supports multiple numbers.
[Fixed] A bug with click sounds. [Fixed] Rounded balance value in the buy/sell selection GUI. [Fixed] Some possible issues with shop items. [Fixed] A bug with shop editor on creating a new shop/category.