Added .eq(Number) back in - I'm convinced that it's more useful than the...

Added .eq(Number) back in - I'm convinced that it's more useful than the .slice() replacement. lt/gt are still gone, though.

src/core.js

@@ -363,6 +363,10 @@ jQuery.fn = jQuery.prototype = {
 		return this.after( val ).remove();
 	},
 
+	eq: function(i){
+		return this.slice(i, i+1);
+	},
+
 	slice: function() {
 		return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
 	},

test/unit/core.js

@@ -1034,11 +1034,13 @@ test("empty()", function() {
 });
 
 test("slice()", function() {
-	expect(4);
+	expect(5);
 	isSet( $("#ap a").slice(1,2), q("groups"), "slice(1,2)" );
 	isSet( $("#ap a").slice(1), q("groups", "anchor1", "mark"), "slice(1)" );
 	isSet( $("#ap a").slice(0,3), q("google", "groups", "anchor1"), "slice(0,3)" );
 	isSet( $("#ap a").slice(-1), q("mark"), "slice(-1)" );
+
+	isSet( $("#ap a").eq(1), q("groups"), "eq(1)" );
 });
 
 test("map()", function() {