Merge pull request #240 from chonthu/develop

updated changelog and documentation for active record new 3rd argument op
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 15872c1..bb05f99 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -78,6 +78,9 @@
 		<ul>
 			<li class="reactor">Added a <a href="http://www.cubrid.org/" target="_blank">CUBRID</a> driver to the <a href="libraries/database.html">Database Driver</a>. Thanks to the CUBRID team for supplying this patch.</li>
 			<li class="reactor">Typecast limit and offset in the <a href="database/queries.html">Database Driver</a> to integers to avoid possible injection.</li>
+			<li class="reactor">
+				Added additional option 'none' for the optional third argument for  <kbd>$this->db->like()</kbd> in the <a href="database/active_record.html">Database Driver</a>.
+			</li>
 		</ul>
 	</li>
 	<li>Libraries
diff --git a/user_guide/database/active_record.html b/user_guide/database/active_record.html
index 6609d28..92d9614 100644
--- a/user_guide/database/active_record.html
+++ b/user_guide/database/active_record.html
@@ -334,6 +334,13 @@
 	$this-&gt;db-&gt;like('title', 'match', 'both'); <br />
 // Produces: WHERE title LIKE '%match%' </code>	</li>
 
+If you do not want to use the wildcard (%) you can pass to the optional third argument the option 'none'.
+
+<code>
+	$this-&gt;db-&gt;like('title', 'match', 'none'); <br />
+// Produces: WHERE title LIKE 'match'
+</code>
+
 	<li><strong>Associative array method:</strong>
 
 	<code>