Changes

Summary

Improve null checks (details)

Commit 3d48c60e88ae358445d7a784af2aa13d70722219 by mezz Improve null checks
The file was modified	src/main/java/mezz/jei/startup/StackHelper.java (diff)
The file was modified	src/main/java/mezz/jei/gui/GuiHelper.java (diff)
The file was modified	src/main/java/mezz/jei/plugins/vanilla/brewing/BrewingRecipeMaker.java (diff)
The file was modified	src/main/java/mezz/jei/ingredients/IngredientRegistry.java (diff)
The file was removed	src/main/java/mezz/jei/util/ItemStackUtil.java
The file was modified	src/main/java/mezz/jei/recipes/RecipeTransferRegistry.java (diff)
The file was modified	src/main/java/mezz/jei/startup/ModRegistry.java (diff)
The file was modified	src/main/java/mezz/jei/gui/Focus.java (diff)
The file was modified	src/main/java/mezz/jei/gui/ingredients/GuiIngredientGroup.java (diff)
The file was modified	src/main/java/mezz/jei/gui/recipes/RecipeLayout.java (diff)
The file was modified	src/main/java/mezz/jei/util/ErrorUtil.java (diff)
The file was modified	src/main/java/mezz/jei/plugins/vanilla/brewing/BrewingRecipeWrapper.java (diff)
The file was modified	src/main/java/mezz/jei/recipes/RecipeRegistry.java (diff)
The file was modified	src/main/java/mezz/jei/runtime/SubtypeRegistry.java (diff)
The file was modified	src/main/java/mezz/jei/input/ClickedIngredient.java (diff)
The file was modified	src/main/java/mezz/jei/startup/ModIngredientRegistration.java (diff)
The file was modified	src/main/java/mezz/jei/util/CommandUtil.java (diff)
The file was modified	src/main/java/mezz/jei/transfer/RecipeTransferHandlerHelper.java (diff)
The file was modified	src/main/java/mezz/jei/gui/overlay/ItemListOverlay.java (diff)
The file was modified	src/main/java/mezz/jei/plugins/vanilla/ingredients/ItemStackHelper.java (diff)
The file was modified	src/main/java/mezz/jei/gui/overlay/IngredientGrid.java (diff)
The file was modified	src/main/java/mezz/jei/ingredients/IngredientBlacklist.java (diff)