Added support for the new .andSelf() method. This method combines the…

… previous two matched sets on the stack into a single stack.

For example:
  $("#foo").parent();
  // => [ #bar ]

  $("#foo").parent().andSelf();
  // => [ #bar, #foo ]

src/jquery/coreTest.js

@@ -849,6 +849,14 @@ test("not()", function() {
 	isSet( $("p").not($("#ap, #sndp, .result")).get(), q("firstp", "en", "sap", "first"), "not(jQuery)" );
 });
 
+test("andSelf()", function() {
+	expect(4);
+	isSet( $("#en").siblings().andSelf().get(), q("sndp", "sap","en"), "Check for siblings and self" );
+	isSet( $("#foo").children().andSelf().get(), q("sndp", "en", "sap", "foo"), "Check for children and self" );
+	isSet( $("#en, #sndp").parent().andSelf().get(), q("foo","en","sndp"), "Check for parent and self" );
+	isSet( $("#groups").parents("p, div").andSelf().get(), q("ap", "main", "groups"), "Check for parents and self" );
+});
+
 test("siblings([String])", function() {
 	expect(5);
 	isSet( $("#en").siblings().get(), q("sndp", "sap"), "Check for siblings" );

src/jquery/jquery.js

@@ -325,13 +325,17 @@ jQuery.fn = jQuery.prototype = {
 		return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
 	},
 
-	map: function(fn){
+	map: function(fn) {
 		return this.pushStack(jQuery.map( this, function(elem,i){
 			return fn.call( elem, i, elem );
 		}));
 	},
+
+	andSelf: function() {
+		return this.add( this.prevObject );
+	},
 
-	domManip: function(args, table, dir, fn){
+	domManip: function(args, table, dir, fn) {
 		var clone = this.length > 1, a; 
 
 		return this.each(function(){