diff --git a/plugin.yml b/plugin.yml
index 25051e14..4aa9350f 100644
--- a/plugin.yml
+++ b/plugin.yml
@@ -2,7 +2,7 @@ name: mcore1
 version: 1
 main: com.massivecraft.mcore1.MCore
 authors: [Olof Larsson]
-softdepend: [Vault, Spout]
+softdepend: [Spout]
 commands:
   mcoresilenteater:
     description: ignore me.
\ No newline at end of file
diff --git a/src/com/massivecraft/mcore1/MCore.java b/src/com/massivecraft/mcore1/MCore.java
index fd58a0ec..237001a4 100644
--- a/src/com/massivecraft/mcore1/MCore.java
+++ b/src/com/massivecraft/mcore1/MCore.java
@@ -7,6 +7,8 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Random;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
@@ -117,7 +119,7 @@ public class MCore extends JavaPlugin
 	public static Random random = new Random();
 	
 	public MCore()
-	{
+	{	
 		this.serverListener = new MCoreServerListener(this);
 		this.serverListenerMonitor = new MCoreServerListenerMonitor(this);
 		this.playerListener = new MCorePlayerListener(this);
@@ -134,6 +136,8 @@ public class MCore extends JavaPlugin
 	@Override
 	public void onEnable()
 	{
+		logPrefix = "["+this.getDescription().getName()+"] ";
+		
 		// This is safe since all plugins using Persist should bukkit-depend this plugin.
 		getPersistInstances().clear();
 		
@@ -150,4 +154,17 @@ public class MCore extends JavaPlugin
 		.disableHtmlEscaping()
 		.excludeFieldsWithModifiers(Modifier.TRANSIENT);
 	}
+	
+	// -------------------------------------------- //
+	// LOGGING
+	// -------------------------------------------- //
+	private static String logPrefix = null;
+	public static void log(Object... msg)
+	{
+		log(Level.INFO, msg);
+	}
+	public static void log(Level level, Object... msg)
+	{
+		Logger.getLogger("Minecraft").log(level, logPrefix + MCore.txt.implode(msg, " "));
+	}
 }
diff --git a/src/com/massivecraft/mcore1/cmd/MCommand.java b/src/com/massivecraft/mcore1/cmd/MCommand.java
index c7eb1348..9737977b 100644
--- a/src/com/massivecraft/mcore1/cmd/MCommand.java
+++ b/src/com/massivecraft/mcore1/cmd/MCommand.java
@@ -2,6 +2,7 @@ package com.massivecraft.mcore1.cmd;
 
 import java.util.*;
 import java.util.Map.Entry;
+import java.util.logging.Level;
 
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -119,7 +120,7 @@ public abstract class MCommand
 	protected CommandSender sender;
 	public CommandSender getSender() { return this.sender; }
 	public boolean getSenderIsConsole() { return ! (this.sender instanceof Player); }
-	public Player getMe()
+	public Player me()
 	{
 		if (sender instanceof Player)
 		{
@@ -394,6 +395,12 @@ public abstract class MCommand
 			return defaultNotSet;
 		}
 		IArgHandler<T> handler = p().cmd.getArgHandler(clazz);
+		
+		if (handler == null)
+		{
+			MCore.log(Level.SEVERE, "There is no ArgHandler for " + clazz.getName());
+		}
+		
 		T ret = handler.parse(this.arg(idx), style, this.sender, p());
 		if (ret == null)
 		{
@@ -408,6 +415,11 @@ public abstract class MCommand
 		return this.argAs(idx, clazz, null, defaultNotSet, defaultNotFound);
 	}
 	
+	public <T> T argAs(int idx, Class<T> clazz, String style,T defaultNotSet)
+	{
+		return this.argAs(idx, clazz, style, defaultNotSet, null);
+	}
+	
 	public <T> T argAs(int idx, Class<T> clazz,T defaultNotSet)
 	{
 		return this.argAs(idx, clazz, null, defaultNotSet, null);
diff --git a/src/com/massivecraft/mcore1/cmd/arg/AHPlayer.java b/src/com/massivecraft/mcore1/cmd/arg/AHPlayer.java
index ddab20d9..7648a137 100644
--- a/src/com/massivecraft/mcore1/cmd/arg/AHPlayer.java
+++ b/src/com/massivecraft/mcore1/cmd/arg/AHPlayer.java
@@ -16,7 +16,7 @@ public class AHPlayer extends AHBase<Player>
 		this.error = null;
 		if (str == null) return null;
 		
-		if (style.equals("match"))
+		if (style != null && style.equals("match"))
 		{
 			List<Player> players = Bukkit.getServer().matchPlayer(str);
 			if (players.size() > 0)
diff --git a/src/com/massivecraft/mcore1/cmd/arg/AHPlayerWrapper.java b/src/com/massivecraft/mcore1/cmd/arg/AHPlayerWrapper.java
index 23989b55..2e61c1da 100644
--- a/src/com/massivecraft/mcore1/cmd/arg/AHPlayerWrapper.java
+++ b/src/com/massivecraft/mcore1/cmd/arg/AHPlayerWrapper.java
@@ -23,7 +23,7 @@ public abstract class AHPlayerWrapper<T> extends AHBase<T>
 		IClassManager<T> manager = this.getManager(p);
 		T ret;
 		
-		if (style.equals("match"))
+		if (style != null && style.equals("match"))
 		{
 			ret = manager.getBestMatch(str);
 			if (ret != null)
diff --git a/src/com/massivecraft/mcore1/persist/Persist.java b/src/com/massivecraft/mcore1/persist/Persist.java
index 31824c14..6cab81c9 100644
--- a/src/com/massivecraft/mcore1/persist/Persist.java
+++ b/src/com/massivecraft/mcore1/persist/Persist.java
@@ -30,25 +30,23 @@ public class Persist
 		return this.classManagers;
 	}
 	
-	protected Timer timer = new Timer();
-	
-	private Map<Class<?>, SaveTask<?>> classSaveTasks = new HashMap<Class<?>, SaveTask<?>>();
-	@SuppressWarnings("unchecked")
-	public <T> void setSaveInterval(Class<T> clazz, long interval)
+	private Map<Class<?>, Timer> classSaveTimers = new HashMap<Class<?>, Timer>();
+	public synchronized <T> void setSaveInterval(Class<T> clazz, long interval)
 	{
-		// Fetch the task or create a new one.
-		SaveTask<T> task = (SaveTask<T>) this.classSaveTasks.get(clazz);
-		if (task == null)
+		// Clear old timer
+		Timer timer = this.classSaveTimers.get(clazz);
+		if (timer != null)
 		{
-			task = new SaveTask<T>(this, clazz);
-			this.classSaveTasks.put(clazz, task);
-		}
-		else
-		{
-			task.cancel();
+			timer.cancel();
+			this.classSaveTimers.remove(clazz);
 		}
 		
-		// Schedule the task
+		// Create new timer
+		timer = new Timer();
+		this.classSaveTimers.put(clazz, timer);
+		
+		// Add the task to the timer
+		SaveTask<T> task = new SaveTask<T>(this, clazz);
 		timer.scheduleAtFixedRate(task, interval, interval);
 	};