Final changes and update

modules/export.py

@@ -18,7 +18,7 @@ def compile_files(bp, ms, folder):
     if meta.get('filename'):
         safe = meta['filename']
     else:
-        safe = "".join([c for c in title if c.isalnum() or c=='_']).replace(" ", "_")
+        safe = utils.sanitize_filename(title)
         
     doc = Document(); doc.add_heading(title, 0)
     book = epub.EpubBook(); book.set_title(title); spine = ['nav']
@@ -29,6 +29,9 @@ def compile_files(bp, ms, folder):
         with open(cover_path, 'rb') as f:
             book.set_cover("cover.png", f.read())
 
+    # Ensure manuscript is sorted correctly before compiling
+    ms.sort(key=utils.chapter_sort_key)
+
     for c in ms:
         # Determine filename/type
         num_str = str(c['num']).lower()