File list (Check if you may need any files):
HtmlUnit
........\.classpath
........\.project
........\.settings
........\bin
........\...\com
........\...\...\peng
........\...\...\....\spider
........\...\...\....\......\ApiUse.class
........\...\...\....\......\FetchByHtmlUnit.class
........\lib
........\...\htmlunit-2.13
........\...\.............\LICENSE.txt
........\...\.............\apidocs
........\...\.............\.......\allclasses-frame.html
........\...\.............\.......\allclasses-noframe.html
........\...\.............\.......\com
........\...\.............\.......\...\gargoylesoftware
........\...\.............\.......\...\................\htmlunit
........\...\.............\.......\...\................\........\AjaxController.html
........\...\.............\.......\...\................\........\AlertHandler.html
........\...\.............\.......\...\................\........\BinaryPage.html
........\...\.............\.......\...\................\........\BrowserVersion.html
........\...\.............\.......\...\................\........\BrowserVersionFeatures.html
........\...\.............\.......\...\................\........\Cache.html
........\...\.............\.......\...\................\........\CollectingAlertHandler.html
........\...\.............\.......\...\................\........\ConfirmHandler.html
........\...\.............\.......\...\................\........\CookieManager.html
........\...\.............\.......\...\................\........\DefaultCredentialsProvider.html
........\...\.............\.......\...\................\........\DefaultCssErrorHandler.html
........\...\.............\.......\...\................\........\DefaultPageCreator.PageType.html
........\...\.............\.......\...\................\........\DefaultPageCreator.html
........\...\.............\.......\...\................\........\DialogWindow.html
........\...\.............\.......\...\................\........\DownloadedContent.InMemory.html
........\...\.............\.......\...\................\........\DownloadedContent.OnFile.html
........\...\.............\.......\...\................\........\DownloadedContent.html
........\...\.............\.......\...\................\........\ElementNotFoundException.html
........\...\.............\.......\...\................\........\FailingHttpStatusCodeException.html
........\...\.............\.......\...\................\........\FormEncodingType.html
........\...\.............\.......\...\................\........\History.html
........\...\.............\.......\...\................\........\HttpMethod.html
........\...\.............\.......\...\................\........\HttpWebConnection.html
........\...\.............\.......\...\................\........\ImmediateRefreshHandler.html
........\...\.............\.......\...\................\........\IncorrectnessListener.html
........\...\.............\.......\...\................\........\IncorrectnessListenerImpl.html
........\...\.............\.......\...\................\........\JavaScriptPage.html
........\...\.............\.......\...\................\........\MockWebConnection.RawResponseData.html
........\...\.............\.......\...\................\........\MockWebConnection.html
........\...\.............\.......\...\................\........\NiceRefreshHandler.html
........\...\.............\.......\...\................\........\NicelyResynchronizingAjaxController.html
........\...\.............\.......\...\................\........\ObjectInstantiationException.html
........\...\.............\.......\...\................\........\OnbeforeunloadHandler.html
........\...\.............\.......\...\................\........\Page.html
........\...\.............\.......\...\................\........\PageCreator.html
........\...\.............\.......\...\................\........\PluginConfiguration.MimeType.html
........\...\.............\.......\...\................\........\PluginConfiguration.html
........\...\.............\.......\...\................\........\PromptHandler.html
........\...\.............\.......\...\.............