1.5.0 - 1.21.1

Update to use Spell Engine 1.9.0

• DISCLAIMER: All spell books and spell scrolls will be reset, due to major API changes.
• All Archer Expansion Spell Books now offers 3 spells only, to match other classes
• DEADEYE: Fast Shot & Trick Shot are now T2-Spell Choices
• TUNDRA HUNTER: Frozen Shot & Frozen Pact are now T2-Spell Choices
• WAR ARCHER: Dual Shot & Smoldering Arrows are now T2-Spell Choices Internal Changes & Functional Additions
• Added Entities & Custom Spell-Deliveries for future Spell Choices