Added get_dir_file_info(), get_file_info(), and get_mime_by_extension() to the File Helper.

Changed ( ! condition) into (! condition) within the code
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index f52aa77..9817d16 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -94,6 +94,7 @@
 			<li>Modified <kbd>anchor()</kbd> in the <a href="helpers/url_helper.html">URL helper</a> to convert entities in the title attribute (#4209).</li>

 			<li>The <a href="helpers/download_helper.html">Download helper</a> now exits within <kbd>force_download()</kbd>.</li>

 			<li>The <a href="helpers/download_helper.html">Zip class</a> now exits within <kbd>download()</kbd>.</li>

+			<li>Added <kbd>get_dir_file_info()</kbd>, <kbd>get_file_info()</kbd>, and <kbd>get_mime_by_extension()</kbd> to the <a href="helpers/file_helper.html">File Helper</a>.</li>

 		</ul>

     </li>

 	<li>Plugins

@@ -101,11 +102,11 @@
 			<li>Modified captcha generation to first look for the function imagecreatetruecolor, and fallback to imagecreate if it isn't available (#4226).</li>

 		</ul>

 	</li>

-</ul>

+	</ul>

 

 <h3>Bugfixes for 1.6.2</h3>

 <ul>

-    <li>Fixed assorted user guide typos (#3453, #4364, #4379, #4399, #4408, #4412, #4448).</li>

+    <li>Fixed assorted user guide typos (#3453, #4364, #4379, #4399, #4408, #4412, #4448, #4488).</li>

 	<li>Fixed an AR_caching error where it wasn't tracking table aliases (#3463).</li>

 	<li>Fixed an AR bug when joining with a table alias and table prefix (#4400).</li>

 	<li>Fixed a bug in the DB class testing the $params argument.</li>

@@ -145,7 +146,7 @@
 	<li>Helpers

 		<ul>

 			<li>Modified <kbd>get_filenames()</kbd> in the File Helper to return FALSE if the $source_dir is not readable.</li>

-			</ul>

+		</ul>

 	</li>

 </ul>