Merge branch 'subtree'

diff --combined src/be/nikiroo/fanfix/supported/E621.java
index de754c8b843da881bf1e34419a7491997ac8d201,39bbe867d9eb2cdfc630c80df9393bc9bc47aba4..39bbe867d9eb2cdfc630c80df9393bc9bc47aba4
--- 1/src/be/nikiroo/fanfix/supported/E621.java
--- 2/supported/E621.java
+++ b/src/be/nikiroo/fanfix/supported/E621.java
@@@ -17,6 -17,7 +17,7 @@@ import java.util.Map.Entry
  import org.jsoup.helper.DataUtil;
  import org.jsoup.nodes.Document;
  import org.jsoup.nodes.Element;
+ import org.jsoup.select.Elements;
  
  import be.nikiroo.fanfix.Instance;
  import be.nikiroo.fanfix.data.MetaData;
@@@ -100,20 -101,25 +101,25 @@@ class E621 extends BasicSupport 
  
        @Override
        protected List<Entry<String, URL>> getChapters(Progress pg) throws IOException {
+               List<Entry<String, URL>> chapters = new LinkedList<Entry<String, URL>>();
+               
                if (isPool(getSource())) {
                        String baseUrl = "https://e621.net/" + getSource().getPath() + "?page=";
-                       return getChapters(getSource(), pg, baseUrl, "");
+                       chapters = getChapters(getSource(), pg, baseUrl, "");
                } else if (isSearchOrSet(getSource())) {
                        String baseUrl = "https://e621.net/posts/?page=";
                        String search = "&tags=" + getTagsFromUrl(getSource());
-                       // sets are sorted in reverse order on the website
-                       List<Entry<String, URL>> urls = getChapters(getSource(), pg,
+ 
+                       chapters = getChapters(getSource(), pg,
                                        baseUrl, search);
-                       Collections.reverse(urls);
-                       return urls;
                }
  
-               return new LinkedList<Entry<String, URL>>();
+               // sets and some pools are sorted in reverse order on the website
+               if (getSource().getPath().startsWith("/posts")) {
+                       Collections.reverse(chapters);  
+               }
+               
+               return chapters;
        }
  
        private List<Entry<String, URL>> getChapters(URL source, Progress pg, String baseUrl, String parameters)
@@@ -148,7 -154,15 +154,15 @@@
        protected String getChapterContent(URL chapUrl, int number, Progress pg) throws IOException {
                StringBuilder builder = new StringBuilder();
                Document chapterNode = loadDocument(chapUrl);
-               for (Element el : chapterNode.getElementsByTag("article")) {
+               
+               Elements articles = chapterNode.getElementsByTag("article");
+               
+               // sets and some pools are sorted in reverse order on the website
+               if (getSource().getPath().startsWith("/posts")) {
+                       Collections.reverse(articles);  
+               }
+               
+               for (Element el : articles) {
                        builder.append("[");
                        builder.append(el.attr("data-file-url"));
                        builder.append("]<br/>");