Changes

Summary

1. Fix ALL the -Xlint warnings (details)

Commit 94b1975a6f4bea4b2842af7ff52a4ecdf4ad9dbb by Sunstrike Fix ALL the -Xlint warnings
	src/mantle/world/CoordTuple.java (diff)
	src/mantle/blocks/abstracts/InventorySlab.java (diff)
	src/mantle/books/external/ZipLoader.java (diff)
	src/mantle/items/abstracts/CraftingItem.java (diff)
	src/mantle/client/RenderItemCopy.java (diff)
	src/mantle/client/gui/GuiManual.java (diff)
	src/mantle/debug/LogIdentifier.java (diff)
	src/mantle/blocks/abstracts/ExpandableInventoryLogic.java (diff)
	src/mantle/client/SmallFontRenderer.java (diff)
	src/mantle/debug/DebugData.java (diff)
	src/mantle/items/Manual.java (diff)
	src/mantle/lib/environment/EnvironmentChecks.java (diff)
	src/mantle/world/CoordTupleSort.java (diff)