Try fix Fuels (#729)

src/main/java/codechicken/nei/NEIClientConfig.java

@@ -147,6 +147,8 @@ public class NEIClientConfig {
         tag.getTag("inventory.widgetsenabled").getBooleanValue(true);
         API.addOption(new OptionToggleButton("inventory.widgetsenabled"));
 
+        tag.getTag("findFuelsParallel").getBooleanValue(true);
+
         tag.getTag("inventory.autocrafting").getBooleanValue(true);
         tag.getTag("inventory.dynamicFontSize").getBooleanValue(true);
         tag.getTag("inventory.hidden").getBooleanValue(false);

src/main/java/codechicken/nei/recipe/RecipeHandlerQuery.java

@@ -62,7 +62,13 @@ public class RecipeHandlerQuery<T extends IRecipeHandler> {
 
     private ArrayList<T> getRecipeHandlersParallel() throws InterruptedException, ExecutionException {
         // Pre-find the fuels so we're not fighting over it
-        FuelRecipeHandler.findFuelsOnceParallel();
+
+        if (NEIClientConfig.getBooleanSetting("findFuelsParallel")) {
+            FuelRecipeHandler.findFuelsOnceParallel();
+        } else {
+            FuelRecipeHandler.findFuelsOnce();
+        }
+
         ArrayList<T> handlers = getSerialHandlersWithRecipes();
         handlers.addAll(getHandlersWithRecipes());
         handlers.sort(NEIClientConfig.HANDLER_COMPARATOR);