adding AttributeFlag interface
adding IAttribute interface
adding javadoc
refactoring name of method
adding AttributeFlagTest
improving documentation of IAE
adding ItemAttribute and ItemAttributeTest
adding ItemAttributesEvent
adding ItemAttributesCancellableEvent
updating config.yml
adding ISettings interface
adding javadoc to ISettings
adding ItemAttributesSettings and ItemAttributesSettingsTest
removing an AttributeFlag and formatting
adding AttributeHandler interface
rewriting IAttribute
rewritten ItemAttribute
adding new attributes.yml
removing classes and tests
renaming a class