Created volatile boolean for determining if files are updating;
Created Map for storing Storage objects attached to player UUIDS;
Changed to async task for updating files;
Added method for getting Storages Map from ExtraStorage object;
Re-arranged onEnable() a little bit;
Changed DataConversion to use folders for each player to store inventory
yamls;
Use sync task in DataConversion to set boolean to determine if files are
updating;
Moved method for determining if directory contains yaml files to own
class;
Began modifications of IO class for new Storage structure;
Added dropInventories Inventory array to Storage class for storing drop
inventories;