chore(readme.txt): Bump version to 0.2.4

src/readme.txt

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+=== Snagshout ===
+Contributors: snagshout
+Tags: e-commerce, ecommerce, products, widget
+Requires at least: 4.1.0
+Tested up to: 4.6.1
+Stable tags: 0.2.4
+License: Apache 2.0
+License URI: https://www.apache.org/licenses/LICENSE-2.0.txt
+
+The Snagshout WordPress plugin allows you to embed deals from the Snagshout syndication network, directly as a widget on your blog.
+
+== Description ==
+
+The Snagshout WordPress plugin allows you to embed deals from the Snagshout syndication network, directly as a widget on your blog.
+
+In order to use this plugin, you will need to register as a Snagshout partner.
+You can do this by contacting Snagshout's customer support. Once you have an
+account, you will be provided with a public/private key pair that can be set in
+the plugin's administration panel.
+
+== Installation ==
+
+1. Upload the plugin files to the `/wp-content/plugins/plugin-name` directory, or install the plugin through the WordPress plugins screen directly.
+1. Activate the plugin through the 'Plugins' screen in WordPress
+1. Use the Settings->Snagshout screen to configure the plugin by providing your
+authentication crednetials.
+1. Go to Appearance->Widgets to begin adding and customizing deals widgets.
+

src/snagshout.php

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+<?php
+
+/**
+ * Copyright 2016 Seller Labs LLC
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  @package Snagshout
+ *  @version 0.2.4
+ *
+ *  Plugin Name: Snagshout
+ *  Plugin URI: https://www.snagshout.com
+ *  Description: The Snagshout plugin allows you to easily embed syndicated
+ *  deals into your Wordpress blog.
+ *  Author: Seller Labs LLC
+ *  Version: 0.2.4
+ *  Author URI: https://www.sellerlabs.com
+ */
+
+require_once 'admin/settings.php';
+require_once 'core/hashing.php';
+require_once 'core/http.php';
+require_once 'core/utils.php';
+require_once 'core/view-engine.php';
+require_once 'widget/snagshout-widget-class.php';
+
+/**
+ * Registers the main widget.
+ */
+function snagshout_register_widgets() {
+  register_widget(SnagshoutWidget::class);
+}
+
+/**
+ * Renders stylesheets for the visual appearance of the widget.
+ */
+function snagshout_styles() {
+  echo snagshout_render_view('styles');
+}
+
+/**
+ * Renders script tags for interactive functionality of the plugin.
+ */
+function snagshout_widget_javascript() {
+  echo snagshout_render_view('widget-js');
+}
+
+// Here we register all the action hooks used by the plugin.
+add_action('admin_menu', 'snagshout_menu');
+add_action('admin_init', 'snagshout_register_settings');
+add_action('widgets_init', 'snagshout_register_widgets');
+add_action('wp_head', 'snagshout_styles');
+add_action('wp_footer', 'snagshout_widget_javascript');