Lemon Mod

Added additional mixins for LivingEntity to modify other uses of getDuration to be accurate with actual duration when entity has sour effect
Extended duration of sour effect for lemon to 20 seconds and lemon juice to 40 seconds
Buffed lemon juice sour effect amplification to 5
Buffed duration of blindness effect for lemon to 2 seconds and lemon juice to 3 seconds