A few bugfixes.

src/com/massivecraft/mcore4/MCore.java

@@ -52,6 +52,9 @@ public class MCore extends MPlugin
 		
 		// Register events
 		this.listener = new InternalListener(this);
+		
+		if ( ! preEnable()) return;
+		this.postEnable();
 	}
 	
 }

src/com/massivecraft/mcore4/persist/gson/GsonClassManager.java

@@ -46,6 +46,7 @@ public abstract class GsonClassManager<T> implements IClassManager<T>
 	protected boolean didLoadAll = false;
 	protected void loadIds()
 	{
+		if ( ! this.getFolder().exists()) return;
 		for(File file : this.getFolder().listFiles(JsonFileFilter.getInstance()))
 		{
 			this.ids.add(this.idFromFile(file));

src/com/massivecraft/mcore4/util/DiscUtil.java

@@ -19,8 +19,6 @@ public class DiscUtil
 	
 	public static byte[] readBytes(File file) throws IOException
 	{
-		File parent = file.getParentFile();
-		if (parent != null && !parent.exists()) parent.mkdirs();
 		int length = (int) file.length();
 		byte[] output = new byte[length];
 		InputStream in = new FileInputStream(file);
@@ -36,6 +34,8 @@ public class DiscUtil
 	
 	public static void writeBytes(File file, byte[] bytes) throws IOException
 	{
+		File parent = file.getParentFile();
+		if (parent != null && !parent.exists()) parent.mkdirs();
 		FileOutputStream out = new FileOutputStream(file);
 		out.write(bytes);
 		out.close();