Fix crash when player attempt to attune on an attunement altar;
Added Attunement Start Event, fired when an attunement starts (both item attunement and player attunement)
Added 'getEntity' for Attunement Finish Event, field contains the EntityItem being attuned.
Fix crash when player attempt to attune on an attunement altar; Added Attunement Start Event, fired when an attunement starts (both item attunement and player attunement) Added 'getEntity' for Attunement Finish Event, field contains the EntityItem being attuned.
Rename and refactoring