Get rid of ?subtopic=x links

system/templates/guilds.create.html.twig

@@ -1,4 +1,4 @@
-<form action="?subtopic=guilds&action=create&todo=save" method="post">
+<form action="{{ getLink('guilds') }}?action=create&todo=save" method="post">
 	{{ csrf() }}
 	<table width="100%" border="0" cellspacing="1" cellpadding="4">
 		<tr>
@@ -47,7 +47,7 @@
 </form>
 			</td>
 			<td align="center">
-				<form  action="?subtopic=guilds" method="post">
+				<form  action="{{ getLink('guilds') }}" method="post">
 					{{ csrf() }}
 					{{ include('buttons.back.html.twig') }}
 				</form>