Fixed issue with $( obj, jQuery ) breaking the original jQuery object.

src/jquery/jquery.js

@@ -59,10 +59,12 @@ function jQuery(a,c) {
 	*/
 
 	// Watch for when a jQuery object is passed as the selector
-	if ( a.jquery ) return a;
+	if ( a.jquery )
+		return $( jQuery.merge( a, [] ) );
 
 	// Watch for when a jQuery object is passed at the context
-	if ( c && c.jquery ) return c.find(a);
+	if ( c && c.jquery )
+		return $( c ).find(a);
 
 	// If the context is global, return a new object
 	if ( window == this )