Fix null rewards being spawned on Challenge completion
Add lore and enchantment tiers to Armor, experiment with variable textures
Add config for challenge items, reduce polling in some update events
Update Changelog
Move Gui into a different package
Augment Flight effect confirmation message, move KeyInputEvents to ClientProxy
Add Vox Stellarum base classes
Add a Mini-Boss enum to the EntityEggs for a possible mini-boss spawn egg texture