amail · amensouissi · Jul 14, 2015 · Jan 27, 2017 · Jan 28, 2017 · Jan 29, 2017
diff --git a/README.md b/README.md
@@ -166,7 +166,8 @@ Guideline.Guide(name[, options]);
 
     {
         startOnUrl: '/home', // The URL on which the first page resists. Default: null
-        skipAsDefault: true   // Whether or not the guide should initialize as 'skipped'. Meaning you must actively call the guide.start() method to start it. Default: true
+        skipAsDefault: true   // Whether or not the guide should initialize as 'skipped'. Meaning you must actively call the guide.start() method to start it. Default: true,
+        memoizeLasStep: false   // Default: false
     }
 
 #### Events
@@ -244,6 +245,7 @@ Guideline.Guide(name[, options]);
         content: 'This is just...',    // Adds content (text/html) to the step! Not shown if value is 'null'. Default null
         showSkip: true,                // Whether or not to show a 'Skip this step' button. Default: true
         showContinue: false,           // Whether or not to show a 'Continue' button on the step. Default: false
+        showPrevious: false,           // Whether or not to show a 'Previous' button on the step. Default: false
         showAt: '#button',             // Selector for element to 'bubble' or 'overlay'. E.g. 'ul#menu li:first-child'. Can also be a callback function. If a function is provided, it will be polled until the function returns an element. Default: 'document'
         align: 'left middle',          // Determines how the bubble/overlay is aligned. Format '[x] [y]'. X = [left, center, right], Y = [top, middle, bottom]. E.g. 'center middle' or 'right bottom'. Default: 'right bottom'.
         continueWhen: 'click #button', // Condition, when met, automatically continues to the next step on the page. Can be either a string in the format of '[event name] [css selector]', e.g. 'dblclick div#bottom li:last-child'. Can also be a callback function. If a function is provided, it will be polled until the function returns true. When the function returns true, the step continues. Default: 'click [showAt]' (but only if showAt is a string)
@@ -280,5 +282,5 @@ Guideline.Guide(name[, options]);
 ### Libraries
 
 * [jQuery](http://jquery.com/) - Used throughout the library. Recommended jQuery version >=1.9.1.
-* [LightShow.js](https://github.com/comfirm/LightShow.js) - Used whenever there is an overlay present.
 * [jquery.scrollTo](https://github.com/flesler/jquery.scrollTo) - Used when scrolling to a certain window position.
+* [jQuery Cookie](https://github.com/carhartl/jquery-cookie)
diff --git a/examples/simple/css/bootstrap-theme.min.css b/examples/simple/css/bootstrap-theme.min.css
diff --git a/examples/simple/css/bootstrap.min.css b/examples/simple/css/bootstrap.min.css
diff --git a/examples/simple/index.html b/examples/simple/index.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Dashboard</title>
+    <link rel="stylesheet" href="../../src/guideline.css">
+    <link rel="stylesheet" href="./css/bootstrap.min.css">
+    <link rel="stylesheet" href="./css/bootstrap-theme.min.css">
+    <script src="../../lib/jquery-1.9.1.min.js"></script>
+    <script src="../../lib/scrollto.jquery.js"></script>
+    <script src="../../lib/jquery.cookie.js"></script>
+     <script src="../../src/guideline.js"></script>
+     <script src="./simple.guideline.js"></script>
+  </head>
+  <body>
+    <div id="main">
+     <div class="container">
+      <div class="row">
+      <div class="col-md-3"></div>
+      <div class="col-md-7">
+
+        <div class="jumbotron">
+          <h1>Hello, world!</h1>
+          <p>This is a simple example with <strong>Guideline.js</strong>.</p>
+          <p>
+            <a id="btn-more" href="https://github.com/amensouissi/Guideline.js"
+               class="btn btn-primary btn-lg" role="button">Learn more</a></p>
+        </div>
+        <!-- Nav tabs -->
+        <ul class="nav nav-tabs" role="tablist">
+          <li role="presentation" class="active"><a id="home-tab" href="#home" aria-controls="home" role="tab" data-toggle="tab">Home</a></li>
+          <li role="presentation"><a id="profile-tab" href="#profile" aria-controls="profile" role="tab" data-toggle="tab">Profile</a></li>
+        </ul>
+
+        <!-- Tab panes -->
+        <div class="tab-content">
+          <div role="tabpanel" class="tab-pane active" id="home">...</div>
+          <div role="tabpanel" class="tab-pane" id="profile">...</div>
+        </div>
+      </div>
+      <div class="col-md-2"></div>
+    </div>
+    </div>
+  </body>
+</html>
diff --git a/examples/simple/simple.guideline.js b/examples/simple/simple.guideline.js
@@ -0,0 +1,82 @@
+// Example Guide
+
+var simpleGuide = new Guideline.Guide("simple");
+
+var maypage = simpleGuide.addPage("maypage");
+
+maypage.addStep({
+    type: "overlay",
+    title: "My application",
+    showSkip: false,
+    content: (
+        "<p>This is a simple example with <strong>Guideline.js</strong></p>"+
+        "<button class='gl-continue btn btn-large btn-primary btn-alpha-blue hide-button'><i class='icon-circle-arrow-right'></i> Amazing... Show me more!</button>"+
+        "<br/>"+
+        "<a href='#' class='gl-skip'>I don't care. Skip this.</a>"
+    )
+});
+
+
+var next_btn = "<button type='button' class='btn btn-xs btn-primary'>"+
+                  "Next"+
+                "</button>"
+
+var prev_btn = "<button type='button' class='btn btn-xs btn-primary'>"+
+                  "Previous"+
+                "</button>"
+
+var stepControlContainer = "<div class='btn-group btn-group-xs step-control-container'/>"
+
+maypage.addStep({
+    title: "Home!",
+    content: (
+        "<p>It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout.</p>"+
+        "<br/>"
+    ),
+    showAt: "#home-tab",
+    align: "center top",
+    continueHtml: next_btn,
+    previousHtml: prev_btn,
+    stepControlContainer,
+    showContinue: true,
+    showPrevious: true
+});
+
+maypage.addStep({
+    type: "overlay",
+    title: "Profile!",
+    content: (
+        "<p>It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout.</p>"+
+        "<br/>"
+    ),
+    showAt: "#profile-tab",
+    align: "right middle",
+    continueHtml: next_btn,
+    previousHtml: prev_btn,
+    stepControlContainer,
+    showContinue: true,
+    showPrevious: true
+});
+
+
+maypage.addStep({
+    type: "overlay",
+    title: "Learn more!",
+    content: (
+        "<p>For more infirmtions.</p>"+
+        "<br/>"
+    ),
+    showAt: "#btn-more",
+    align: "center bottom",
+    continueHtml: next_btn,
+    previousHtml: prev_btn,
+    stepControlContainer,
+    showContinue: true,
+    showPrevious: true
+});
+
+simpleGuide.register();
+
+$(document).ready(function(){
+  Guideline.setCurrentPage("maypage");
+})
diff --git a/lib/jquery.cookie.js b/lib/jquery.cookie.js
@@ -0,0 +1,114 @@
+/*!
+ * jQuery Cookie Plugin v1.4.1
+ * https://github.com/carhartl/jquery-cookie
+ *
+ * Copyright 2006, 2014 Klaus Hartl
+ * Released under the MIT license
+ */
+(function (factory) {
+	if (typeof define === 'function' && define.amd) {
+		// AMD (Register as an anonymous module)
+		define(['jquery'], factory);
+	} else if (typeof exports === 'object') {
+		// Node/CommonJS
+		module.exports = factory(require('jquery'));
+	} else {
+		// Browser globals
+		factory(jQuery);
+	}
+}(function ($) {
+
+	var pluses = /\+/g;
+
+	function encode(s) {
+		return config.raw ? s : encodeURIComponent(s);
+	}
+
+	function decode(s) {
+		return config.raw ? s : decodeURIComponent(s);
+	}
+
+	function stringifyCookieValue(value) {
+		return encode(config.json ? JSON.stringify(value) : String(value));
+	}
+
+	function parseCookieValue(s) {
+		if (s.indexOf('"') === 0) {
+			// This is a quoted cookie as according to RFC2068, unescape...
+			s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
+		}
+
+		try {
+			// Replace server-side written pluses with spaces.
+			// If we can't decode the cookie, ignore it, it's unusable.
+			// If we can't parse the cookie, ignore it, it's unusable.
+			s = decodeURIComponent(s.replace(pluses, ' '));
+			return config.json ? JSON.parse(s) : s;
+		} catch(e) {}
+	}
+
+	function read(s, converter) {
+		var value = config.raw ? s : parseCookieValue(s);
+		return $.isFunction(converter) ? converter(value) : value;
+	}
+
+	var config = $.cookie = function (key, value, options) {
+
+		// Write
+
+		if (arguments.length > 1 && !$.isFunction(value)) {
+			options = $.extend({}, config.defaults, options);
+
+			if (typeof options.expires === 'number') {
+				var days = options.expires, t = options.expires = new Date();
+				t.setMilliseconds(t.getMilliseconds() + days * 864e+5);
+			}
+
+			return (document.cookie = [
+				encode(key), '=', stringifyCookieValue(value),
+				options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
+				options.path    ? '; path=' + options.path : '',
+				options.domain  ? '; domain=' + options.domain : '',
+				options.secure  ? '; secure' : ''
+			].join(''));
+		}
+
+		// Read
+
+		var result = key ? undefined : {},
+			// To prevent the for loop in the first place assign an empty array
+			// in case there are no cookies at all. Also prevents odd result when
+			// calling $.cookie().
+			cookies = document.cookie ? document.cookie.split('; ') : [],
+			i = 0,
+			l = cookies.length;
+
+		for (; i < l; i++) {
+			var parts = cookies[i].split('='),
+				name = decode(parts.shift()),
+				cookie = parts.join('=');
+
+			if (key === name) {
+				// If second argument (value) is a function it's a converter...
+				result = read(cookie, value);
+				break;
+			}
+
+			// Prevent storing a cookie that we couldn't decode.
+			if (!key && (cookie = read(cookie)) !== undefined) {
+				result[name] = cookie;
+			}
+		}
+
+		return result;
+	};
+
+	config.defaults = {};
+
+	$.removeCookie = function (key, options) {
+		// Must not alter options, thus extending a fresh object...
+		$.cookie(key, '', $.extend({}, options, { expires: -1 }));
+		return !$.cookie(key);
+	};
+
+}));
diff --git a/lib/lightshow.jquery.min.js b/lib/lightshow.jquery.min.js