--- a/core/src/luan/LuanBit.java	Tue Apr 28 22:49:33 2015 -0600
+++ b/core/src/luan/LuanBit.java	Wed Apr 29 07:04:40 2015 -0600
@@ -88,34 +88,40 @@
 	}
 
 	public String toString(Object obj) throws LuanException {
-		LuanFunction fn = getHandlerFunction("__tostring",obj);
-		if( fn != null )
-			return checkString( Luan.first( call(fn,"__tostring",new Object[]{obj}) ) );
+		if( obj instanceof LuanTable ) {
+			LuanFunction fn = getHandlerFunction("__tostring",(LuanTable)obj);
+			if( fn != null )
+				return checkString( Luan.first( call(fn,"__tostring",new Object[]{obj}) ) );
+		}
 		return Luan.toString(obj);
 	}
 
 	public String repr(Object obj) throws LuanException {
-		LuanFunction fn = getHandlerFunction("__repr",obj);
-		if( fn != null )
-			return checkString( Luan.first( call(fn,"__repr",new Object[]{obj}) ) );
+		if( obj instanceof LuanTable ) {
+			LuanFunction fn = getHandlerFunction("__repr",(LuanTable)obj);
+			if( fn != null )
+				return checkString( Luan.first( call(fn,"__repr",new Object[]{obj}) ) );
+		}
 		String repr = Luan.repr(obj);
 		if( repr==null )
 			throw exception( "value '" + obj + "' doesn't support repr()" );
 		return repr;
 	}
 
-	public LuanFunction getHandlerFunction(String op,Object obj) throws LuanException {
-		Object f = luan.getHandler(op,obj);
+	public LuanFunction getHandlerFunction(String op,LuanTable t) throws LuanException {
+		Object f = luan.getHandler(op,t);
 		if( f == null )
 			return null;
 		return checkFunction(f);
 	}
 
 	public LuanFunction getBinHandler(String op,Object o1,Object o2) throws LuanException {
-		LuanFunction f1 = getHandlerFunction(op,o1);
-		if( f1 != null )
-			return f1;
-		return getHandlerFunction(op,o2);
+		if( o1 instanceof LuanTable ) {
+			LuanFunction f1 = getHandlerFunction(op,(LuanTable)o1);
+			if( f1 != null )
+				return f1;
+		}
+		return o2 instanceof LuanTable ? getHandlerFunction(op,(LuanTable)o2) : null;
 	}
 
 	public boolean isLessThan(Object o1,Object o2) throws LuanException {