ibarn's quartet origins addon

Ver. 1.5.1:

• Soul Fire's damage is now split into half between soul burning and indirect magic damage (less potent against players wearing enchanted armor)

• Homing Wither Skull rotation matches shooter's rotation upon instantiation

• Refactored logic behind Soul Mage and Sand Person attribute granting

• Soul Mage's amount of experience gained upon vegetable consumption power is now determined based on the food's saturation and hunger replenishment

• Soul Mages now go blind after taking fire damage