--- a/src/luan/Lua.java	Thu Dec 27 00:44:58 2012 +0000
+++ b/src/luan/Lua.java	Thu Dec 27 01:48:36 2012 +0000
@@ -11,7 +11,7 @@
 			return "string";
 		if( obj instanceof Boolean )
 			return "boolean";
-		if( obj instanceof LuaNumber )
+		if( obj instanceof Number )
 			return "number";
 		return "userdata";
 	}
@@ -21,25 +21,27 @@
 	}
 
 	public static String asString(Object obj) {
-		if( obj instanceof String || obj instanceof LuaNumber )
-			return obj.toString();
+		if( obj instanceof String )
+			return (String)obj;
+		if( obj instanceof Number )
+			return toString((Number)obj);
 		return null;
 	}
 
-	public static LuaNumber toNumber(Object obj) {
+	public static Number toNumber(Object obj) {
 		return toNumber(obj,null);
 	}
 
-	public static LuaNumber toNumber(Object obj,Integer base) {
-		if( obj instanceof LuaNumber )
-			return (LuaNumber)obj;
+	public static Number toNumber(Object obj,Integer base) {
+		if( obj instanceof Number )
+			return (Number)obj;
 		if( obj instanceof String ) {
 			String s = (String)obj;
 			try {
 				if( base==null )
-					return LuaNumber.of( Double.parseDouble(s) );
+					return Double.valueOf(s);
 				else
-					return LuaNumber.of( Long.parseLong(s,base) );
+					return Long.valueOf(s,base);
 			} catch(NumberFormatException e) {}
 		}
 		return null;
@@ -49,4 +51,30 @@
 		return a.length==0 ? null : a[0];
 	}
 
+	public static String toString(Number n) {
+		if( n instanceof Integer )
+			return n.toString();
+		String s = n.toString();
+		int iE = s.indexOf('E');
+		String ending  = null;
+		if( iE != -1 ) {
+			ending = s.substring(iE);
+			s = s.substring(0,iE);
+		}
+		if( s.endsWith(".0") )
+			s = s.substring(0,s.length()-2);
+		if( ending != null )
+			s += ending;
+		return s;
+	}
+
+	public static Integer asInteger(Object obj) {
+		if( obj instanceof Integer )
+			return (Integer)obj;
+		if( !(obj instanceof Number) )
+			return null;
+		Number n = (Number)obj;
+		int i = n.intValue();
+		return i==n.doubleValue() ? Integer.valueOf(i) : null;
+	}
 }