--- ../src-base/minecraft/cpw/mods/fml/relauncher/CoreModManager.java
+++ ../src-work/minecraft/cpw/mods/fml/relauncher/CoreModManager.java
@@ -60,7 +60,7 @@
     private static final Attributes.Name COREMODCONTAINSFMLMOD = new Attributes.Name("FMLCorePluginContainsFMLMod");
     private static final Attributes.Name MODTYPE = new Attributes.Name("ModType");
     private static final Attributes.Name MODSIDE = new Attributes.Name("ModSide");
-    private static String[] rootPlugins = { "cpw.mods.fml.relauncher.FMLCorePlugin", "net.minecraftforge.classloading.FMLForgePlugin" };
+    private static String[] rootPlugins = { "cpw.mods.fml.relauncher.FMLCorePlugin", "net.minecraftforge.classloading.FMLForgePlugin", "pw.prok.imagine.ImagineLoadingPlugin" };
     private static List<String> loadedCoremods = Lists.newArrayList();
     private static List<FMLPluginWrapper> loadPlugins;
     private static boolean deobfuscatedEnvironment;
@@ -101,6 +101,7 @@
         @Override
         public void injectIntoClassLoader(LaunchClassLoader classLoader)
         {
+            // Cauldron end
             FMLRelaunchLog.fine("Injecting coremod %s {%s} class transformers", name, coreModInstance.getClass().getName());
             if (coreModInstance.getASMTransformerClass() != null) for (String transformer : coreModInstance.getASMTransformerClass())
             {
@@ -160,6 +161,9 @@
 
     }
 
+    // Cauldron - group output of @MCVersion warnings
+    private static List<String> noVersionAnnotationCoreMods = new ArrayList<String>();
+
     public static void handleLaunch(File mcDir, LaunchClassLoader classLoader, FMLTweaker tweaker)
     {
         CoreModManager.mcDir = mcDir;
@@ -219,6 +223,19 @@
             loadCoreMod(classLoader, coreModClassName, null);
         }
         discoverCoreMods(mcDir, classLoader);
+        // Cauldron start - group output of @MCVersion warnings
+        if (!noVersionAnnotationCoreMods.isEmpty())
+        {
+            FMLRelaunchLog
+                    .warning("The following coremods do not have a @MCVersion annotation. They may cause problems if this is not the correct version of Minecraft for them.");
+            StringBuilder sb = new StringBuilder("Missing @MCVersion: ");
+            for (String className : noVersionAnnotationCoreMods)
+            {
+                sb.append(className).append("  ");
+            }
+            FMLRelaunchLog.warning(sb.toString());
+        }
+        // Cauldron end
 
     }
 
@@ -336,6 +353,10 @@
             String cascadedTweaker = mfAttributes.getValue("TweakClass");
             if (cascadedTweaker != null)
             {
+                if ("fastcraft.Tweaker".equals(cascadedTweaker) && !"false".equals(System.getProperty("kcauldron.fastcraft.disable", "true"))) {
+                    FMLRelaunchLog.info("Found FastCraft tweaker, skipping...");
+                    continue;
+                }
                 FMLRelaunchLog.info("Loading tweaker %s from %s", cascadedTweaker, coreMod.getName());
                 Integer sortOrder = Ints.tryParse(Strings.nullToEmpty(mfAttributes.getValue("TweakOrder")));
                 sortOrder = (sortOrder == null ? Integer.valueOf(0) : sortOrder);
@@ -365,6 +386,10 @@
                 FMLRelaunchLog.fine("Not found coremod data in %s", coreMod.getName());
                 continue;
             }
+            if ("fastcraft.LoadingPlugin".equals(fmlCorePlugin) && !"false".equals(System.getProperty("kcauldron.fastcraft.disable", "true"))) {
+                FMLRelaunchLog.warning("Found FastCraft coremod, skipping...");
+                continue;
+            }
             // Support things that are mod jars, but not FML mod jars
             try
             {
@@ -467,8 +492,11 @@
             MCVersion requiredMCVersion = coreModClazz.getAnnotation(IFMLLoadingPlugin.MCVersion.class);
             if (!Arrays.asList(rootPlugins).contains(coreModClass) && (requiredMCVersion == null || Strings.isNullOrEmpty(requiredMCVersion.value())))
             {
-                FMLRelaunchLog.log(Level.WARN, "The coremod %s does not have a MCVersion annotation, it may cause issues with this version of Minecraft",
-                        coreModClass);
+                // Cauldron start - group output of @MCVersion warnings
+                // FMLRelaunchLog.log(Level.WARN, "The coremod %s does not have a MCVersion annotation, it may cause issues with this version of Minecraft",
+                //        coreModClass);
+                noVersionAnnotationCoreMods.add(coreModClass);
+                // Cauldron end
             }
             else if (requiredMCVersion != null && !FMLInjectionData.mccversion.equals(requiredMCVersion.value()))
             {