Implemented the following for potions, splash potions and potion effects: Drinking a Potion of Healing causes an EntityRegainHealthEvent with RegainReason.MAGIC Being affected by a Splash Potion of Healing causes the same event Being affected by a regeneration effect causes an EntityRegainHealthEvent with RegainReason.MAGIC_REGEN And: Drinking a Potion of Harming causes an EntityDamageEvent with DamageCause.MAGIC Being affected by a Splash Potion of Harming causes an EntityDamageByEntityEvent with DamageCause.MAGIC and the thrown potion as projectile Being affected by a poison effect causes an EntityDamageEvent with RegainReason.POISON
