Fixed constant nbt checking for items that are not player heads
Updated all protocol version checks to match Minecraft versions on snapshot level
This fixes textures not loading for custom heads from Combat Test 4 to 20w11a and the data pack not complaining about being incompatible with versions before 19w08a
Disabled upside down spiders for Minecraft 1.20.3 and up, including a notice in the settings TUI until MC-128225 is fixed
Fixed custom name not getting set for recently updated drowned villager head in item form
Added supported version range in pack.mcmeta
Added function tag /function #more_mobs:settings to easily access the settings menu