diff --git a/README.html b/README.html
index 5c3bfb15..e851f777 100644
--- a/README.html
+++ b/README.html
@@ -714,19 +714,23 @@ and LuaForge:
 <h2>Main Changes by Version</h2>
 <table cellspacing="10"><tr><td><table cellspacing="4">
 <tr valign="top"><td>&nbsp;&nbsp;<b>2.0</b></td><td><ul>
-<li>Initial release of 2.0 version  
+<li>Initial release of 2.0 version </li>  
 </ul></td></tr>
 <tr valign="top"><td>&nbsp;&nbsp;<b>2.0.1</b></td><td><ul>
-<li>Improve correctness of singleton construction related to static initialization
-<li>Fix nan-related error in constant folding logic that was failing on some JVMs
-<li>JSR-223 fixes: add META-INF/services entry in jse jar, improve bindings implementation
+<li>Improve correctness of singleton construction related to static initialization </li>
+<li>Fix nan-related error in constant folding logic that was failing on some JVMs </li>
+<li>JSR-223 fixes: add META-INF/services entry in jse jar, improve bindings implementation </li>
 </ul></td></tr>
 <tr valign="top"><td>&nbsp;&nbsp;<b>2.0.2</b></td><td><ul>
-<li>JSR-223 bindings change: non Java-primitives will now be passed as LuaValue 
-<li>Fix selection logic when picking from functions with same name
+<li>JSR-223 bindings change: non Java-primitives will now be passed as LuaValue </li> 
+<li>JSR-223 enhancement: allow both ".lua" and "lua" as extensions in getScriptEngine() </li>
+<li>Improve selection logic when binding to overloaded functions using luajava</li>
+<li>Enhance javadoc, put it <a href="http://luaj.sourceforge.net/api/2.0/index.html">online</a> 
+and <a href="docs/api/index.html">in distribution</a> 
+</li>
+<li>Add lib/luaj-sources-2.0.2.jar for easier integration into an IDE such as Netbeans </li>
 </ul></td></tr>
 </table>
-
 <h2>Known Issues</h2>
 <ul>
 <li>debug code may not be completely removed by some obfuscators
diff --git a/src/core/org/luaj/vm2/lib/BaseLib.java b/src/core/org/luaj/vm2/lib/BaseLib.java
index aa9f7d16..cbbd8c2c 100644
--- a/src/core/org/luaj/vm2/lib/BaseLib.java
+++ b/src/core/org/luaj/vm2/lib/BaseLib.java
@@ -155,7 +155,7 @@ public class BaseLib extends OneArgFunction implements ResourceFinder {
 		return c.getResourceAsStream(filename.startsWith("/")? filename: "/"+filename);
 	}
 
-	public static final class BaseLib2 extends TwoArgFunction {
+	static final class BaseLib2 extends TwoArgFunction {
 		public LuaValue call(LuaValue arg1, LuaValue arg2) {
 			switch ( opcode ) {
 			case 0: // "collectgarbage", // ( opt [,arg] ) -> value
@@ -202,7 +202,7 @@ public class BaseLib extends OneArgFunction implements ResourceFinder {
 	    return f;
 	}
 
-	public static final class BaseLibV extends VarArgFunction {
+	static final class BaseLibV extends VarArgFunction {
 		public BaseLib baselib;
 		public Varargs invoke(Varargs args) {
 			switch ( opcode ) {
diff --git a/src/core/org/luaj/vm2/lib/IoLib.java b/src/core/org/luaj/vm2/lib/IoLib.java
index 429caefe..0afa7fe5 100644
--- a/src/core/org/luaj/vm2/lib/IoLib.java
+++ b/src/core/org/luaj/vm2/lib/IoLib.java
@@ -247,7 +247,7 @@ public class IoLib extends OneArgFunction {
 			((IoLibV) t.get(k[i])).iolib = this;
 	}
 	
-	public static final class IoLibV extends VarArgFunction {
+	static final class IoLibV extends VarArgFunction {
 		public IoLib iolib;
 		public IoLibV() {
 		}
diff --git a/src/core/org/luaj/vm2/lib/MathLib.java b/src/core/org/luaj/vm2/lib/MathLib.java
index cf55d3e2..7146a8bc 100644
--- a/src/core/org/luaj/vm2/lib/MathLib.java
+++ b/src/core/org/luaj/vm2/lib/MathLib.java
@@ -104,7 +104,7 @@ public class MathLib extends OneArgFunction {
 		return t;
 	}
 
-	public static final class MathLib1 extends OneArgFunction {
+	static final class MathLib1 extends OneArgFunction {
 		public LuaValue call(LuaValue arg) {
 			switch ( opcode ) {
 			case 0: return valueOf(Math.abs(arg.checkdouble())); 
@@ -122,7 +122,7 @@ public class MathLib extends OneArgFunction {
 		}
 	}
 	
-	public static final class MathLib2 extends TwoArgFunction {
+	static final class MathLib2 extends TwoArgFunction {
 		protected MathLib mathlib;
 		public LuaValue call(LuaValue arg1, LuaValue arg2) {
 			switch ( opcode ) {
@@ -189,7 +189,7 @@ public class MathLib extends OneArgFunction {
 		return p;
 	}
 
-	public static final class MathLibV extends VarArgFunction {
+	static final class MathLibV extends VarArgFunction {
 		protected MathLib mathlib;
 		public Varargs invoke(Varargs args) {
 			switch ( opcode ) {
diff --git a/src/core/org/luaj/vm2/lib/PackageLib.java b/src/core/org/luaj/vm2/lib/PackageLib.java
index 15a6be81..256c2519 100644
--- a/src/core/org/luaj/vm2/lib/PackageLib.java
+++ b/src/core/org/luaj/vm2/lib/PackageLib.java
@@ -126,7 +126,7 @@ public class PackageLib extends OneArgFunction {
 		return env;
 	}
 
-	public static final class PkgLib1 extends OneArgFunction {
+	static final class PkgLib1 extends OneArgFunction {
 		PackageLib lib;
 		public PkgLib1(LuaValue env,String name, int opcode, PackageLib lib) {
 			this.env = env;
@@ -151,7 +151,7 @@ public class PackageLib extends OneArgFunction {
 		}
 	}
 
-	public static final class PkgLibV extends VarArgFunction {
+	static final class PkgLibV extends VarArgFunction {
 		PackageLib lib;
 		public PkgLibV(LuaValue env,String name, int opcode, PackageLib lib) {
 			this.env = env;
diff --git a/src/core/org/luaj/vm2/lib/StringLib.java b/src/core/org/luaj/vm2/lib/StringLib.java
index 0c9d47e3..fa9aa05c 100644
--- a/src/core/org/luaj/vm2/lib/StringLib.java
+++ b/src/core/org/luaj/vm2/lib/StringLib.java
@@ -82,7 +82,7 @@ public class StringLib extends OneArgFunction {
 		return t;
 	}
 	
-	public static final class StringLib1 extends OneArgFunction {
+	static final class StringLib1 extends OneArgFunction {
 		public LuaValue call(LuaValue arg) {
 			switch ( opcode ) { 
 			case 0: return dump(arg); // dump (function)
@@ -95,7 +95,7 @@ public class StringLib extends OneArgFunction {
 		}
 	}
 
-	public static final class StringLibV extends VarArgFunction {
+	static final class StringLibV extends VarArgFunction {
 		public Varargs invoke(Varargs args) {
 			switch ( opcode ) {
 			case 0: return StringLib.byte_( args );
@@ -319,7 +319,7 @@ public class StringLib extends OneArgFunction {
 	
 	private static final String FLAGS = "-+ #0";
 	
-	private static class FormatDesc {
+	static class FormatDesc {
 		
 		private boolean leftAdjust;
 		private boolean zeroPad;
@@ -810,7 +810,7 @@ public class StringLib extends OneArgFunction {
 		CHAR_TABLE['\f'] |= MASK_SPACE;
 	};
 	
-	private static class MatchState {
+	static class MatchState {
 		final LuaString s;
 		final LuaString p;
 		final Varargs args;
diff --git a/src/core/org/luaj/vm2/lib/TableLib.java b/src/core/org/luaj/vm2/lib/TableLib.java
index 6fd3b394..c26b9d40 100644
--- a/src/core/org/luaj/vm2/lib/TableLib.java
+++ b/src/core/org/luaj/vm2/lib/TableLib.java
@@ -83,7 +83,7 @@ public class TableLib extends OneArgFunction {
 		return NIL;
 	}
 
-	public static final class TableLibV extends VarArgFunction {
+	static final class TableLibV extends VarArgFunction {
 		public Varargs invoke(Varargs args) {
 			switch ( opcode ) {
 			case 0: { // "remove" (table [, pos]) -> removed-ele
diff --git a/src/jse/org/luaj/vm2/lib/jse/LuajavaLib.java b/src/jse/org/luaj/vm2/lib/jse/LuajavaLib.java
index 9b0eebb3..7f30952c 100644
--- a/src/jse/org/luaj/vm2/lib/jse/LuajavaLib.java
+++ b/src/jse/org/luaj/vm2/lib/jse/LuajavaLib.java
@@ -123,14 +123,14 @@ public class LuajavaLib extends VarArgFunction {
 				return t;
 			}
 			case BINDCLASS: {
-				final Class clazz = Class.forName(args.checkjstring(1));
+				final Class clazz = classForName(args.checkjstring(1));
 				return toUserdata( clazz, clazz );
 			}
 			case NEWINSTANCE:
 			case NEW: {
 				// get constructor
 				final LuaValue c = args.checkvalue(1); 
-				final Class clazz = (opcode==NEWINSTANCE? Class.forName(c.tojstring()): (Class) c.checkuserdata(Class.class));
+				final Class clazz = (opcode==NEWINSTANCE? classForName(c.tojstring()): (Class) c.checkuserdata(Class.class));
 				final Varargs consargs = args.subargs(2);
 				final long paramssig = LuajavaLib.paramsSignatureOf( consargs );
 				final Constructor con = resolveConstructor( clazz, paramssig );
@@ -153,7 +153,7 @@ public class LuajavaLib extends VarArgFunction {
 				// get the interfaces
 				final Class[] ifaces = new Class[niface];
 				for ( int i=0; i<niface; i++ ) 
-					ifaces[i] = Class.forName(args.checkjstring(i+1));
+					ifaces[i] = classForName(args.checkjstring(i+1));
 				
 				// create the invocation handler
 				InvocationHandler handler = new InvocationHandler() {
@@ -193,7 +193,7 @@ public class LuajavaLib extends VarArgFunction {
 				// get constructor
 				String classname = args.checkjstring(1);
 				String methodname = args.checkjstring(2);
-				Class clazz = Class.forName(classname);
+				Class clazz = classForName(classname);
 				Method method = clazz.getMethod(methodname, new Class[] {});
 				Object result = method.invoke(clazz, new Object[] {});
 				if ( result instanceof LuaValue ) {
@@ -214,6 +214,11 @@ public class LuajavaLib extends VarArgFunction {
 		}
 	}
 
+	// load classes using app loader to allow luaj to be used as an extension
+	protected Class classForName(String name) throws ClassNotFoundException {
+		return Class.forName(name, true, ClassLoader.getSystemClassLoader());
+	}
+
 	// params signature is
 	// - low 6-bits are number of parameters
 	// - each of next 9 6-bit fields encode a parameter type:
diff --git a/src/jse/org/luaj/vm2/script/LuaScriptEngineFactory.java b/src/jse/org/luaj/vm2/script/LuaScriptEngineFactory.java
index 55785161..ac5b0a8b 100644
--- a/src/jse/org/luaj/vm2/script/LuaScriptEngineFactory.java
+++ b/src/jse/org/luaj/vm2/script/LuaScriptEngineFactory.java
@@ -22,7 +22,6 @@
 package org.luaj.vm2.script;
 
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.List;
 
 import javax.script.ScriptEngine;
@@ -33,7 +32,10 @@ import javax.script.ScriptEngineFactory;
  */
 public class LuaScriptEngineFactory implements ScriptEngineFactory {
     
- 	private static final String FILEEXT = ".lua";
+ 	private static final String [] EXTENSIONS = {
+ 		"lua",
+ 		".lua",
+ 	};
     
     private static final String [] MIMETYPES = {
         "text/plain",
@@ -54,7 +56,7 @@ public class LuaScriptEngineFactory implements ScriptEngineFactory {
 
     
     public LuaScriptEngineFactory() {
-        extensions = Collections.nCopies(1, FILEEXT);
+        extensions = Arrays.asList(EXTENSIONS);
         mimeTypes = Arrays.asList(MIMETYPES);
         names = Arrays.asList(NAMES);
     }
diff --git a/test/junit/org/luaj/vm2/lib/jse/LuaJavaCoercionTest.java b/test/junit/org/luaj/vm2/lib/jse/LuaJavaCoercionTest.java
index 24f256fc..1a70e869 100644
--- a/test/junit/org/luaj/vm2/lib/jse/LuaJavaCoercionTest.java
+++ b/test/junit/org/luaj/vm2/lib/jse/LuaJavaCoercionTest.java
@@ -267,30 +267,82 @@ public class LuaJavaCoercionTest extends TestCase {
 		assertEquals( "152415787532388367501905199875019052100", sc );
 	}
 
-	public static class A {
-		public String set( int foo ) {
-			return "from set(int) "+foo;
-		}
-		public String set( String foo ) {
-			return "from set(String) "+foo;
-		}
-		public String get() {
-			return "bar";
-		}
+	public static class A {		
+	}
+	public static class B extends A{
+		public String set( Object x ) { return "set(Object) "; }
+		public String set( String x ) { return "set(String) "+x; }
+		public String set( A x ) { return "set(A) "; }
+		public String set( B x ) { return "set(B) "; }
+		public String set( C x ) { return "set(C) "; }
+		public String set( byte x ) { return "set(byte) "+x; }
+		public String set( char x ) { return "set(char) "+x; }
+		public String set( short x ) { return "set(short) "+x; }
+		public String set( int x ) { return "set(int) "+x; }
+		public String set( long x ) { return "set(long) "+x; }
+		public String set( float x ) { return "set(float) "+x; }
+		public String set( double x ) { return "set(double) "+x; }
+
+		public String setr( double x ) { return "setr(double) "+x; }
+		public String setr( float x ) { return "setr(float) "+x; }
+		public String setr( long x ) { return "setr(long) "+x; }
+		public String setr( int x ) { return "setr(int) "+x; }
+		public String setr( short x ) { return "setr(short) "+x; }
+		public String setr( char x ) { return "setr(char) "+x; }
+		public String setr( byte x ) { return "setr(byte) "+x; }
+		public String setr( C x ) { return "setr(C) "; }
+		public String setr( B x ) { return "setr(B) "; }
+		public String setr( A x ) { return "setr(A) "; }
+		public String setr( String x ) { return "setr(String) "+x; }
+		public String setr( Object x ) { return "setr(Object) "; }
+		
+		public Object getObject() { return new Object(); }
+		public String getString() { return "abc"; }
+		public A getA() { return new A(); }
+		public B getB() { return new B(); }
+		public C getC() { return new C(); }
+		public byte getbyte() { return 1; }
+		public char getchar() { return 2; }
+		public short getshort() { return 3; }
+		public int getint() { return 4; }
+		public long getlong() { return 5; }
+		public float getfloat() { return 6.5f; }
+		public double getdouble() { return 7.5; }
+	}
+	public static class C extends B {		
 	}
 	
-	public void testOverloadedJavaMethods() {
+	public void testOverloadedJavaMethodObject() { doOverloadedMethodTest( "Object", "" ); }
+	public void testOverloadedJavaMethodString() { doOverloadedMethodTest( "String", "abc" ); }
+	public void testOverloadedJavaMethodA() { doOverloadedMethodTest( "A", "" ); }
+	public void testOverloadedJavaMethodB() { doOverloadedMethodTest( "B", "" ); }
+	public void testOverloadedJavaMethodC() { doOverloadedMethodTest( "C", "" ); }
+	public void testOverloadedJavaMethodByte() { doOverloadedMethodTest( "byte", "1" ); }
+	public void testOverloadedJavaMethodChar() { doOverloadedMethodTest( "char", "2" ); }
+	public void testOverloadedJavaMethodShort() { doOverloadedMethodTest( "short", "3" ); }
+	public void testOverloadedJavaMethodInt() { doOverloadedMethodTest( "int", "4" ); }
+	public void testOverloadedJavaMethodLong() { doOverloadedMethodTest( "long", "5" ); }
+	public void testOverloadedJavaMethodFloat() { doOverloadedMethodTest( "float", "6.5" ); }
+	public void testOverloadedJavaMethodDouble() { doOverloadedMethodTest( "double", "7.5" ); }
+
+	private void doOverloadedMethodTest( String typename, String value ) {
 		String script = 
-			"a = luajava.newInstance('"+A.class.getName()+"');\n" +
-			"return a:set(a:get())";
+			"local a = luajava.newInstance('"+B.class.getName()+"');\n" +
+			"local b = a:set(a:get"+typename+"())\n" +
+			"local c = a:setr(a:get"+typename+"())\n" +
+			"return b,c";
 		Varargs chunk = _G.get("loadstring").call(LuaValue.valueOf(script));
 		if ( ! chunk.arg1().toboolean() )
 			fail( chunk.arg(2).toString() );
 		Varargs results = chunk.arg1().invoke();
 		int nresults = results.narg();
-		String sa = results.tojstring(1);
-		assertEquals( 1, nresults );
-		assertEquals( "from set(String) bar", sa );
+		assertEquals( 2, nresults );
+		LuaValue b = results.arg(1);
+		LuaValue c = results.arg(2);
+		String sb = b.tojstring();
+		String sc = c.tojstring();
+		assertEquals( "set("+typename+") "+value, sb );
+		assertEquals( "setr("+typename+") "+value, sc );
 	}
 	
 }