Sort page lists in list-tags action

Changelog.md

@@ -13,11 +13,12 @@ This file holds the changelog for Pepperminty Wiki. This is the master list of t
  - Fixed a bug in the search query performance metrics
  - Fill out the statistics help text
  - Added table of contents to help page
- - Squashed the large blank space that sometimes appears at the bottom of the page editor page
+ - Squashed the large blank space that appears at the bottom of the page editor page when editing long pages
  - Accessibility improvements - thanks, Firefox developer tools :D (if you're a screen reader / accessibility tool user and have feedback or any better ideas, please [get in touch](https://github.com/sbrl/Pepperminty-Wiki/issues/new))
      - Marked the user avatar on the top navigation bar as hidden for screen readers
      - Added aria label to user preferences button
      - Hide site logo from screen readers
+ - Lists of pages that have a specific tag will now be sorted alphabetically (unicode characters should be handled correctly too)
 
 ### Changed
  - Made `build.sh` build script more robust, especially when generating the documentation.

module_index.json

@@ -155,7 +155,7 @@
         "version": "0.1",
         "author": "Starbeamrainbowlabs",
         "description": "Adds a theme gallery page and optional automatic theme updates. Contacts a remote server, where IP addresses are stored in automatic server logs for security and attack mitigation purposes.",
-        "lastupdate": 1567366716,
+        "lastupdate": 1567369192,
         "optional": false,
         "extra_data": []
     },
@@ -257,7 +257,7 @@
         "version": "0.11.1",
         "author": "Starbeamrainbowlabs",
         "description": "Adds a page that lists all the pages in the index along with their metadata.",
-        "lastupdate": 1567107944,
+        "lastupdate": 1567512802,
         "optional": false,
         "extra_data": []
     },

modules/page-list.php

@@ -118,10 +118,6 @@ register_module([
 			}
 			$tag = $_GET["tag"];
 			
-			
-			$sorted_pageindex = get_object_vars($pageindex);
-			ksort($sorted_pageindex, SORT_NATURAL);
-			
 			$pagelist = [];
 			foreach($pageindex as $pagename => $pagedetails)
 			{
@@ -130,6 +126,9 @@ register_module([
 					$pagelist[] = $pagename;
 			}
 			
+			$sorter = new Collator("");
+			$sorter->sort($pagelist, Collator::SORT_STRING);
+			
 			switch($format)
 			{
 				case "html":