Packs' performance and compatibility have improved

added compatibility with some mods (no specific mods) 

Inventory GUI hotfix

adds many armor changes for realism, more gui's upgraded

blast furnace gui upgraded, leather helmet more accurate to real life British medieval helm, inventory gui upgraded, chainmail helmet more accurate to real life British medieval helm, iron helmet upgraded,

"fix" to the experience bar "the difference between no xp and xp was not noticeable enough", pack "icon" now shows in game, smithing table gui upgraded, anvil gui upgraded, enchanting table ui upgraded, furnace gui upgraded, brewing stand gui upgraded, menu gui finally fixed, stonecutter gui upgraded, shulker gui upgraded,