Incremented to version 1.0.0-SNAPSHOT due to massive code changes and to
prepare for semantic versioning;
Added javadoc plugin to pom.xml;
Added a boatload of javadocs describing the API;
Added new BukkitRunnable to be run as sync task to check if async task is
done before loading player inventories;
Made more changes to switch over to using Storage objects for players
instead of old method;
Removed all old methods, breaking the code for now. The errors mark where
attention is needed;
Added a ton of TODO and FIXME tags for things that need to be addressed;
Removed YamlConversionOperations class and moved its only method to IO
class;
Removed unused LoadTask class;
Optimized inventory loading from disk a bit;
Some other undocumented changes during the transition to the new
structure;