diff --git a/src/com/massivecraft/massivecore/command/MassiveCommand.java b/src/com/massivecraft/massivecore/command/MassiveCommand.java
index 656d8465..08304212 100644
--- a/src/com/massivecraft/massivecore/command/MassiveCommand.java
+++ b/src/com/massivecraft/massivecore/command/MassiveCommand.java
@@ -545,12 +545,27 @@ public class MassiveCommand
 	
 	// WITHOUT 4
 
-	// Without defaultValue, reqFromConsole, defaultDesc & concat .
+	// Without defaultValue, reqFromConsole, defaultDesc & concat.
 	public <T> Parameter<T> addParameter(Type<T> type, String name)
 	{
 		return this.addParameter(new Parameter<T>(type, name));
 	}
 	
+	// Without defaultValue, name, reqFromConsole & defaultDesc.
+	public <T> Parameter<T> addParameter(Type<T> type, boolean concatFromHere)
+	{
+		return this.addParameter(new Parameter<T>(type), concatFromHere);
+	}
+	
+	// Without 5
+	
+	// Without defaultValue, name, reqFromConsole, defaultDesc & concat.
+	public <T> Parameter<T> addParameter(Type<T> type)
+	{
+		return this.addParameter(new Parameter<T>(type));
+	}
+	
+	
 	// -------------------------------------------- //
 	// PREPROCESS
 	// -------------------------------------------- //
diff --git a/src/com/massivecraft/massivecore/command/Parameter.java b/src/com/massivecraft/massivecore/command/Parameter.java
index 438da24c..c92f8edc 100644
--- a/src/com/massivecraft/massivecore/command/Parameter.java
+++ b/src/com/massivecraft/massivecore/command/Parameter.java
@@ -145,6 +145,12 @@ public class Parameter<T>
 		this(type, REQUIRED_FROM_CONSOLE_DEFAULT, name, DEFAULT_DESC_DEFAULT);
 	}
 	
+	// Without defaultValue, name, reqFromConsole and defaultDesc.
+	public Parameter(Type<T> type)
+	{
+		this(type, REQUIRED_FROM_CONSOLE_DEFAULT, type.getTypeName(), DEFAULT_DESC_DEFAULT);
+	}
+	
 	// -------------------------------------------- //
 	// CONVENIENCE
 	// -------------------------------------------- //
diff --git a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerAbstract.java b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerAbstract.java
index 41d5f937..4808968d 100644
--- a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerAbstract.java
+++ b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerAbstract.java
@@ -1,13 +1,14 @@
 package com.massivecraft.massivecore.command.editor;
 
+import java.util.AbstractMap.SimpleImmutableEntry;
 import java.util.List;
-import java.util.AbstractMap.SimpleEntry;
 
 import com.massivecraft.massivecore.MassiveException;
 import com.massivecraft.massivecore.command.requirement.RequirementEditorPropertyCreated;
 import com.massivecraft.massivecore.command.type.Type;
 import com.massivecraft.massivecore.command.type.TypeNullable;
 import com.massivecraft.massivecore.util.ContainerUtil;
+import com.massivecraft.massivecore.util.Txt;
 
 public abstract class CommandEditContainerAbstract<O, V> extends CommandEditAbstract<O, V>
 {
@@ -38,8 +39,6 @@ public abstract class CommandEditContainerAbstract<O, V> extends CommandEditAbst
 	@Override
 	public void perform() throws MassiveException
 	{
-		// Type
-		
 		// Create
 		V container = this.getProperty().getRaw(this.getObject());
 		List<Object> elements = this.getValueType().getContainerElementsOrdered(container);
@@ -59,17 +58,26 @@ public abstract class CommandEditContainerAbstract<O, V> extends CommandEditAbst
 		}
 		
 		// After
+		elements = this.getValueType().getContainerElementsOrdered(elements);
 		V after = this.getValueType().createNewInstance();
 		ContainerUtil.addElements(after, elements);
 		
-		// Order
-		elements = this.getValueType().getContainerElementsOrdered(after);
-		ContainerUtil.setElements(after, elements);
-		
 		// Apply
 		this.attemptSet(after);
 	}
 	
+	@Override
+	public String createCommandAlias()
+	{
+		// Split at uppercase letters
+		String name = this.getClass().getSimpleName();
+		name = name.substring("CommandEditContainer".length());
+		final String[] words = name.split("(?=[A-Z])");
+		String alias = Txt.implode(words, "");
+		alias = Txt.lowerCaseFirst(alias);
+		return alias;
+	}
+	
 	// -------------------------------------------- //
 	// ABSTRACT
 	// -------------------------------------------- //
@@ -77,43 +85,33 @@ public abstract class CommandEditContainerAbstract<O, V> extends CommandEditAbst
 	public abstract void alter(List<Object> elements) throws MassiveException;
 	
 	// -------------------------------------------- //
-	// MAP
+	// PARAMETER
 	// -------------------------------------------- //
 	
 	public boolean isCollection()
 	{
 		Type<V> type = this.getValueType();
-		if (type.isContainerCollection())
-		{
-			return true;
-		}
-		else if (type.isContainerMap())
-		{
-			return false;
-		}
-		else
-		{
-			throw new RuntimeException("Neither Collection nor Map.");
-		}
+		if (type.isContainerCollection()) return true;
+		if (type.isContainerMap()) return false;
+		throw new RuntimeException("Neither Collection nor Map.");
 	}
 	
 	public void addParametersElement(boolean strict)
 	{
-		Type<V> type = this.getValueType();
-		Type<Object> innerType = type.getInnerType();
+		Type<Object> innerType = this.getValueInnerType();
 		
-		if (type.isContainerCollection())
+		if (this.isCollection())
 		{
-			this.addParameter(innerType, innerType.getTypeName(), true);
+			this.addParameter(innerType, true);
 		}
-		else if (type.isContainerMap())
+		else
 		{
 			Type<Object> keyType = innerType.getInnerType(0);
 			Type<Object> valueType = innerType.getInnerType(1);
 			if (strict)
 			{
-				this.addParameter(keyType, keyType.getTypeName());
-				this.addParameter(valueType, valueType.getTypeName());
+				this.addParameter(keyType);
+				this.addParameter(valueType);
 			}
 			else
 			{
@@ -121,10 +119,6 @@ public abstract class CommandEditContainerAbstract<O, V> extends CommandEditAbst
 				this.addParameter(null, TypeNullable.get(valueType, "any", "all"), valueType.getTypeName(), "any");
 			}
 		}
-		else
-		{
-			throw new RuntimeException("Neither Collection nor Map.");
-		}
 	}
 	
 	public Object readElement() throws MassiveException
@@ -137,7 +131,7 @@ public abstract class CommandEditContainerAbstract<O, V> extends CommandEditAbst
 		{
 			Object key = this.readArg();
 			Object value = this.readArg();
-			return new SimpleEntry<Object, Object>(key, value);
+			return new SimpleImmutableEntry<Object, Object>(key, value);
 		}
 	}
 
diff --git a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerAdd.java b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerAdd.java
index dad9edf9..1e23a4bd 100644
--- a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerAdd.java
+++ b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerAdd.java
@@ -16,7 +16,7 @@ public class CommandEditContainerAdd<O, V> extends CommandEditContainerAbstract<
 		super(settings, property);
 		
 		// Aliases
-		this.setAliases("add", "put");
+		this.addAliases("put");
 		
 		// Parameters
 		this.addParametersElement(true);
diff --git a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerClear.java b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerClear.java
index 417b4814..74f86e77 100644
--- a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerClear.java
+++ b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerClear.java
@@ -14,9 +14,6 @@ public class CommandEditContainerClear<O, V> extends CommandEditContainerAbstrac
 	{
 		// Super	
 		super(settings, property);
-		
-		// Aliases
-		this.setAliases("clear");
 	}
 	
 	// -------------------------------------------- //
diff --git a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerInsert.java b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerInsert.java
index d9bdbe4f..e165544f 100644
--- a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerInsert.java
+++ b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerInsert.java
@@ -16,9 +16,6 @@ public class CommandEditContainerInsert<O, V> extends CommandEditContainerAbstra
 		// Super	
 		super(settings, property);
 		
-		// Aliases
-		this.setAliases("insert");
-		
 		// Parameters
 		this.addParameter(TypeInteger.get(), "index");
 		this.addParametersElement(true);
diff --git a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerMove.java b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerMove.java
index 03918887..fb0eb0e7 100644
--- a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerMove.java
+++ b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerMove.java
@@ -16,9 +16,6 @@ public class CommandEditContainerMove<O, V> extends CommandEditContainerAbstract
 		// Super	
 		super(settings, property);
 
-		// Aliases
-		this.setAliases("move");
-		
 		// Parameters
 		this.addParameter(TypeInteger.get(), "indexFrom");
 		this.addParameter(TypeInteger.get(), "indexTo");
diff --git a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerRemove.java b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerRemove.java
index f432950b..85c9e0fa 100644
--- a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerRemove.java
+++ b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerRemove.java
@@ -18,9 +18,6 @@ public class CommandEditContainerRemove<O, V> extends CommandEditContainerAbstra
 		// Super	
 		super(settings, property);
 		
-		// Aliases
-		this.setAliases("remove");
-		
 		// Parameters
 		this.addParametersElement(false);
 	}
@@ -52,12 +49,11 @@ public class CommandEditContainerRemove<O, V> extends CommandEditContainerAbstra
 		Object element = this.readElement();
 		
 		// Alter
-		Iterator<Object> iterator = elements.iterator();
-		while (iterator.hasNext())
+		for (Iterator<?> it = elements.iterator(); it.hasNext();)
 		{
-			Object other = iterator.hasNext();
+			Object other = it.next();
 			if ( ! this.getValueInnerType().equals(other, element)) continue;
-			iterator.remove();
+			it.remove();
 		}
 	}
 	
@@ -76,15 +72,14 @@ public class CommandEditContainerRemove<O, V> extends CommandEditContainerAbstra
 		if (key == null && value == null) throw new MassiveException().addMsg("<b>Please supply key and/or value.");
 		
 		// Alter
-		Iterator<Object> iterator = elements.iterator();
-		while (iterator.hasNext())
+		for (Iterator<?> it = elements.iterator(); it.hasNext();)
 		{
-			Entry<Object, Object> other = (Entry<Object, Object>) iterator.next();
+			Entry<Object, Object> other = (Entry<Object, Object>) it.next();
 			
 			if (key != null && ! MUtil.equals(key, other.getKey())) continue;
 			if (value != null && ! MUtil.equals(value, other.getValue())) continue;
 			
-			iterator.remove();
+			it.remove();
 		}
 	}
 	
diff --git a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerRemoveIndex.java b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerRemoveIndex.java
index 39e6823e..42752aaa 100644
--- a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerRemoveIndex.java
+++ b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerRemoveIndex.java
@@ -16,9 +16,6 @@ public class CommandEditContainerRemoveIndex<O, V> extends CommandEditContainerA
 		// Super	
 		super(settings, property);
 		
-		// Aliases
-		this.setAliases("removeIndex");
-		
 		// Parameters
 		this.addParameter(TypeInteger.get(), "index");
 	}
diff --git a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerSet.java b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerSet.java
index f9718f22..c729e630 100644
--- a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerSet.java
+++ b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerSet.java
@@ -16,9 +16,6 @@ public class CommandEditContainerSet<O, V> extends CommandEditContainerAbstract<
 		// Super	
 		super(settings, property);
 		
-		// Aliases
-		this.setAliases("set");
-		
 		// Parameters
 		this.addParameter(TypeInteger.get(), "index");
 		this.addParametersElement(true);
diff --git a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerSwap.java b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerSwap.java
index 40fb4421..0df0111e 100644
--- a/src/com/massivecraft/massivecore/command/editor/CommandEditContainerSwap.java
+++ b/src/com/massivecraft/massivecore/command/editor/CommandEditContainerSwap.java
@@ -1,5 +1,6 @@
 package com.massivecraft.massivecore.command.editor;
 
+import java.util.Collections;
 import java.util.List;
 
 import com.massivecraft.massivecore.MassiveException;
@@ -16,9 +17,6 @@ public class CommandEditContainerSwap<O, V> extends CommandEditContainerAbstract
 		// Super	
 		super(settings, property);
 		
-		// Aliases
-		this.setAliases("swap");
-		
 		// Parameters
 		this.addParameter(TypeInteger.get(), "indexOne");
 		this.addParameter(TypeInteger.get(), "indexTwo");
@@ -36,10 +34,7 @@ public class CommandEditContainerSwap<O, V> extends CommandEditContainerAbstract
 		int indexTwo = this.readArg();
 		
 		// Alter
-		Object elementOne = elements.get(indexOne);
-		Object elementTwo = elements.get(indexTwo);
-		elements.set(indexOne, elementTwo);
-		elements.set(indexTwo, elementOne);
+		Collections.swap(elements, indexOne, indexTwo);
 	}
 	
 }
diff --git a/src/com/massivecraft/massivecore/command/type/Type.java b/src/com/massivecraft/massivecore/command/type/Type.java
index 37c5b3f4..dff137c3 100644
--- a/src/com/massivecraft/massivecore/command/type/Type.java
+++ b/src/com/massivecraft/massivecore/command/type/Type.java
@@ -25,9 +25,9 @@ public interface Type<T>
 	// INNER
 	// -------------------------------------------- //
 	
-	public <I extends Type<? extends Object>> List<I> getInnerTypes();
-	public <I extends Type<? extends Object>> I getInnerType(int index);
-	public <I extends Type<? extends Object>> I getInnerType();
+	public <I extends Type<?>> List<I> getInnerTypes();
+	public <I extends Type<?>> I getInnerType(int index);
+	public <I extends Type<?>> I getInnerType();
 	
 	public void setInnerTypes(Collection<Type<?>> innerTypes);
 	public void setInnerTypes(Type<?>... innerTypes);
diff --git a/src/com/massivecraft/massivecore/command/type/TypeAbstract.java b/src/com/massivecraft/massivecore/command/type/TypeAbstract.java
index f0ddc784..d20314d1 100644
--- a/src/com/massivecraft/massivecore/command/type/TypeAbstract.java
+++ b/src/com/massivecraft/massivecore/command/type/TypeAbstract.java
@@ -60,13 +60,13 @@ public abstract class TypeAbstract<T> implements Type<T>
 	// INNER
 	// -------------------------------------------- //
 	
-	protected List<Type<Object>> innerTypes = new MassiveList<Type<Object>>();
+	protected List<Type<?>> innerTypes = new MassiveList<>();
 	
 	@SuppressWarnings("unchecked")
-	public <I extends Type<? extends Object>> List<I> getInnerTypes() { return (List<I>) this.innerTypes; }
+	public <I extends Type<?>> List<I> getInnerTypes() { return (List<I>) this.innerTypes; }
 	@SuppressWarnings("unchecked")
-	public <I extends Type<? extends Object>> I getInnerType(int index) { return (I) this.getInnerTypes().get(index); }
-	public <I extends Type<? extends Object>> I getInnerType() { return this.getInnerType(0); }
+	public <I extends Type<?>> I getInnerType(int index) { return (I) this.getInnerTypes().get(index); }
+	public <I extends Type<?>> I getInnerType() { return this.getInnerType(0); }
 	
 	@SuppressWarnings({ "unchecked", "rawtypes" })
 	public void setInnerTypes(Collection<Type<?>> innerTypes) { this.innerTypes = new MassiveList(innerTypes); }
diff --git a/src/com/massivecraft/massivecore/command/type/combined/TypeEntry.java b/src/com/massivecraft/massivecore/command/type/combined/TypeEntry.java
index b7676834..b9cedbaf 100644
--- a/src/com/massivecraft/massivecore/command/type/combined/TypeEntry.java
+++ b/src/com/massivecraft/massivecore/command/type/combined/TypeEntry.java
@@ -1,15 +1,21 @@
 package com.massivecraft.massivecore.command.type.combined;
 
+import java.util.AbstractMap.SimpleImmutableEntry;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Map.Entry;
 
-import java.util.AbstractMap.SimpleEntry;
-
-import com.massivecraft.massivecore.collections.MassiveList;
 import com.massivecraft.massivecore.command.type.Type;
 
 public class TypeEntry<K, V> extends TypeCombined<Entry<K, V>>
 {
+	// -------------------------------------------- //
+	// CONSTANTS
+	// -------------------------------------------- //
+	
+	private static final Entry<?, ?> ENTRY_EMPTY = new SimpleImmutableEntry<>(null, null);
+	@SuppressWarnings("unchecked") public static <K, V> Entry<K, V> getEntryEmpty() { return (Entry<K, V>) ENTRY_EMPTY; }
+	
 	// -------------------------------------------- //
 	// INSTANCE & CONSTRUCT
 	// -------------------------------------------- //
@@ -41,36 +47,17 @@ public class TypeEntry<K, V> extends TypeCombined<Entry<K, V>>
 	@Override
 	public Entry<K, V> combine(List<Object> parts)
 	{
-		// Create
-		K key = null;
-		V value = null;
-
-		// Fill
-		for (int i = 0 ; i < parts.size() ; i++)
-		{
-			Object part = parts.get(i);
-			
-			if (i == 0)
-			{
-				key = (K)part;
-			}
-			else if (i == 1)
-			{
-				value = (V)part;
-			}
-		}
+		if (parts.isEmpty()) return getEntryEmpty();
+		if (parts.size() == 1) return new SimpleImmutableEntry<>((K)parts.get(0), null);
+		if (parts.size() == 2) return new SimpleImmutableEntry<>((K)parts.get(0), (V) parts.get(1));
 		
-		// Return
-		return new SimpleEntry<K, V>(key, value);
+		throw new RuntimeException(parts.size() + " parts");
 	}
 
 	@Override
 	public List<Object> split(Entry<K, V> entry)
 	{
-		return new MassiveList<Object>(
-			entry.getKey(),
-			entry.getValue()
-		);
+		return Arrays.asList(entry.getKey(), entry.getValue());
 	}
 	
 	@Override
diff --git a/src/com/massivecraft/massivecore/command/type/container/TypeContainer.java b/src/com/massivecraft/massivecore/command/type/container/TypeContainer.java
index 096f6965..bab2722a 100644
--- a/src/com/massivecraft/massivecore/command/type/container/TypeContainer.java
+++ b/src/com/massivecraft/massivecore/command/type/container/TypeContainer.java
@@ -40,7 +40,7 @@ public abstract class TypeContainer<C extends Object, E> extends TypeAbstract<C>
 	
 	public String getCollectionTypeName()
 	{
-		return "Container";
+		return super.getTypeName();
 	}
 	
 	// -------------------------------------------- //
@@ -111,8 +111,8 @@ public abstract class TypeContainer<C extends Object, E> extends TypeAbstract<C>
 		List<String> parts = new MassiveList<String>();
 		
 		// Fill
-		List<E> elements = this.getContainerElementsOrdered(container);
 		Type<E> innerType = this.getInnerType();
+		List<E> elements = this.getContainerElementsOrdered(container);
 		for (E element : elements)
 		{
 			String part = innerType.getIdInner(element);
@@ -146,10 +146,9 @@ public abstract class TypeContainer<C extends Object, E> extends TypeAbstract<C>
 		}
 		
 		// Fill
-		String[] elementArgs = Txt.PATTERN_WHITESPACE.split(arg);
-		for (String elementArg : elementArgs)
+		Type<E> innerType = this.getInnerType();
+		for (String elementArg : Txt.PATTERN_WHITESPACE.split(arg))
 		{
-			Type<E> innerType = this.getInnerType();
 			E element = innerType.read(elementArg, sender);
 			ContainerUtil.addElement(ret, element);
 		}
diff --git a/src/com/massivecraft/massivecore/command/type/container/TypeList.java b/src/com/massivecraft/massivecore/command/type/container/TypeList.java
index 8ceb8fb4..b35f9318 100644
--- a/src/com/massivecraft/massivecore/command/type/container/TypeList.java
+++ b/src/com/massivecraft/massivecore/command/type/container/TypeList.java
@@ -24,12 +24,6 @@ public class TypeList<E> extends TypeContainer<List<E>, E>
 	// -------------------------------------------- //
 	// OVERRIDE
 	// -------------------------------------------- //
-	
-	@Override
-	public String getCollectionTypeName()
-	{
-		return "List";
-	}
 	
 	@Override
 	public List<E> createNewInstance()
diff --git a/src/com/massivecraft/massivecore/command/type/container/TypeMap.java b/src/com/massivecraft/massivecore/command/type/container/TypeMap.java
index 32cd2a6b..a966a45b 100644
--- a/src/com/massivecraft/massivecore/command/type/container/TypeMap.java
+++ b/src/com/massivecraft/massivecore/command/type/container/TypeMap.java
@@ -34,13 +34,7 @@ public class TypeMap<K, V> extends TypeContainer<Map<K, V>, Entry<K, V>>
 	// -------------------------------------------- //
 	// OVERRIDE
 	// -------------------------------------------- //
-	
-	@Override
-	public String getCollectionTypeName()
-	{
-		return "Map";
-	}
-	
+
 	@Override
 	public Map<K, V> createNewInstance()
 	{
diff --git a/src/com/massivecraft/massivecore/command/type/container/TypeSet.java b/src/com/massivecraft/massivecore/command/type/container/TypeSet.java
index 6d5e4b0f..dd767162 100644
--- a/src/com/massivecraft/massivecore/command/type/container/TypeSet.java
+++ b/src/com/massivecraft/massivecore/command/type/container/TypeSet.java
@@ -24,12 +24,6 @@ public class TypeSet<E> extends TypeContainer<Set<E>, E>
 	// -------------------------------------------- //
 	// OVERRIDE
 	// -------------------------------------------- //
-	
-	@Override
-	public String getCollectionTypeName()
-	{
-		return "Set";
-	}
 
 	@Override
 	public Set<E> createNewInstance()
diff --git a/src/com/massivecraft/massivecore/util/ContainerUtil.java b/src/com/massivecraft/massivecore/util/ContainerUtil.java
index 15ff7a85..44bac52a 100644
--- a/src/com/massivecraft/massivecore/util/ContainerUtil.java
+++ b/src/com/massivecraft/massivecore/util/ContainerUtil.java
@@ -2,11 +2,12 @@ package com.massivecraft.massivecore.util;
 
 import java.util.Collection;
 import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.SortedMap;
 import java.util.SortedSet;
-import java.util.Map.Entry;
 
 /**
  * The ContainerUtil provides an imaginary super class to Collection and Map.
@@ -51,12 +52,12 @@ public class ContainerUtil
 	
 	public static boolean isOrdered(Object container)
 	{
-		return container instanceof List<?> || container instanceof LinkedHashMap<?, ?>;
+		return container instanceof List || container instanceof LinkedHashMap || container instanceof LinkedHashSet;
 	}
 	
 	public static boolean isSorted(Object container)
 	{
-		return container instanceof SortedSet<?> || container instanceof SortedMap<?, ?>;
+		return container instanceof SortedSet || container instanceof SortedMap;
 	}
 	
 	// -------------------------------------------- //
@@ -64,14 +65,14 @@ public class ContainerUtil
 	// -------------------------------------------- //
 	
 	@SuppressWarnings("unchecked")
-	public static <C extends Collection<? extends Object>> C asCollection(Object container)
+	public static <C extends Collection<?>> C asCollection(Object container)
 	{
 		if ( ! isCollection(container)) return null;
 		return (C)container;
 	}
 	
 	@SuppressWarnings("unchecked")
-	public static <M extends Map<? extends Object, ? extends Object>> M asMap(Object container)
+	public static <M extends Map<?, ?>> M asMap(Object container)
 	{
 		if ( ! isMap(container)) return null;
 		return (M)container;
@@ -83,6 +84,8 @@ public class ContainerUtil
 	
 	public static boolean isEmpty(Object container)
 	{
+		if (container == null) throw new NullPointerException("container");
+		
 		Collection<Object> collection = asCollection(container);
 		if (collection != null)
 		{
@@ -95,11 +98,13 @@ public class ContainerUtil
 			return map.isEmpty();
 		}
 		
-		throw new IllegalArgumentException();
+		throw new IllegalArgumentException(container.getClass().getName() + " is not a container.");
 	}
 	
 	public static int size(Object container)
 	{
+		if (container == null) throw new NullPointerException("container");
+		
 		Collection<Object> collection = asCollection(container);
 		if (collection != null)
 		{
@@ -112,7 +117,7 @@ public class ContainerUtil
 			return map.size();
 		}
 		
-		throw new IllegalArgumentException();
+		throw new IllegalArgumentException(container.getClass().getName() + " is not a container.");
 	}
 	
 	// -------------------------------------------- //
@@ -122,6 +127,8 @@ public class ContainerUtil
 	@SuppressWarnings("unchecked")
 	public static <E> Collection<E> getElements(Object container)
 	{
+		if (container == null) throw new NullPointerException("container");
+		
 		Collection<E> collection = asCollection(container);
 		if (collection != null)
 		{
@@ -134,7 +141,7 @@ public class ContainerUtil
 			return (Collection<E>) map.entrySet();
 		}
 		
-		throw new IllegalArgumentException();
+		throw new IllegalArgumentException(container.getClass().getName() + " is not a container.");
 	}
 	
 	// -------------------------------------------- //
@@ -143,6 +150,8 @@ public class ContainerUtil
 	
 	public static void clear(Object container)
 	{
+		if (container == null) throw new NullPointerException("container");
+		
 		Collection<Object> collection = asCollection(container);
 		if (collection != null)
 		{
@@ -157,7 +166,7 @@ public class ContainerUtil
 			return;
 		}
 		
-		throw new IllegalArgumentException();
+		throw new IllegalArgumentException(container.getClass().getName() + " is not a container.");
 	}
 	
 	public static void setElements(Object container, Iterable<? extends Object> elements)
@@ -169,6 +178,8 @@ public class ContainerUtil
 	@SuppressWarnings("unchecked")
 	public static boolean addElement(Object container, Object element)
 	{
+		if (container == null) throw new NullPointerException("container");
+		
 		Collection<Object> collection = asCollection(container);
 		if (collection != null)
 		{
@@ -185,11 +196,14 @@ public class ContainerUtil
 			return ! MUtil.equals(after, before);
 		}
 		
-		throw new IllegalArgumentException();
+		throw new IllegalArgumentException(container.getClass().getName() + " is not a container.");
 	}
 	
 	public static void addElements(Object container, Iterable<? extends Object> elements)
 	{
+		if (container == null) throw new NullPointerException("container");
+		if (elements == null) throw new NullPointerException("elements");
+		
 		for (Object element : elements)
 		{
 			addElement(container, element);
diff --git a/src/com/massivecraft/massivecore/util/Txt.java b/src/com/massivecraft/massivecore/util/Txt.java
index 273659bc..b79e6561 100644
--- a/src/com/massivecraft/massivecore/util/Txt.java
+++ b/src/com/massivecraft/massivecore/util/Txt.java
@@ -235,6 +235,12 @@ public class Txt
 		if (string.length() == 0) return string;
 		return string.substring(0, 1).toUpperCase() + string.substring(1);
 	}
+	public static String lowerCaseFirst(String string)
+	{
+		if (string == null) return null;
+		if (string.length() == 0) return string;
+		return string.substring(0, 1).toLowerCase() + string.substring(1);
+	}
 	
 	public static String repeat(String string, int times)
 	{