--- a/core/src/luan/LuanTable.java	Sat May 02 20:35:26 2015 -0600
+++ b/core/src/luan/LuanTable.java	Sat May 02 21:12:48 2015 -0600
@@ -35,23 +35,6 @@
 		}
 	}
 
-	LuanTable(Map<Object,Object> map) {
-		map.remove(null);
-		for( Iterator<Object> i=map.values().iterator(); i.hasNext(); ) {
-			if( i.next() == null )
-				i.remove();
-		}
-		this.map = map;
-	}
-
-	LuanTable(Set<Object> set) {
-		map = newMap();
-		for( Object obj : set ) {
-			if( obj != null )
-				map.put(obj,Boolean.TRUE);
-		}
-	}
-
 	public LuanTable(LuanTable tbl) {
 		if( tbl.map != null && !tbl.map.isEmpty() )
 			this.map = new LinkedHashMap<Object,Object>(tbl.map);
@@ -233,25 +216,25 @@
 		return list;
 	}
 
-	public void insert(int pos,Object value) {
+	public void rawInsert(int pos,Object value) {
 		if( value==null )
 			throw new IllegalArgumentException("can't insert a nil value");
 		list().add(pos-1,value);
 		mapToList();
 	}
 
-	public void add(Object value) {
+	public void rawAdd(Object value) {
 		if( value==null )
 			throw new IllegalArgumentException("can't add a nil value");
 		list().add(value);
 		mapToList();
 	}
 
-	public Object remove(int pos) {
+	public Object rawRemove(int pos) {
 		return list().remove(pos-1);
 	}
 
-	public void sort(Comparator<Object> cmp) {
+	public void rawSort(Comparator<Object> cmp) {
 		Collections.sort(list(),cmp);
 	}
 
@@ -306,7 +289,7 @@
 		};
 	}
 
-	public LuanTable subList(int from,int to) {
+	public LuanTable rawSubList(int from,int to) {
 		LuanTable tbl = shallowClone();
 		tbl.list = new ArrayList<Object>(list().subList(from-1,to-1));
 		return tbl;
@@ -336,14 +319,10 @@
 
 	// from AbstractLuanTable
 
-	protected final Map<Object,Object> newMap() {
+	private Map<Object,Object> newMap() {
 		return new LinkedHashMap<Object,Object>();
 	}
 
-	public boolean isEmpty() {
-		return isList() && length()==0;
-	}
-
 	public boolean isSet() {
 		for( Map.Entry<Object,Object> entry : this ) {
 			if( !entry.getValue().equals(Boolean.TRUE) )