Sorting and filtering of lists working (except file formats)

Refactored and bugfixing show_cover
Refactored import of helper in web.py
Fix for displaying /me (gettext) throwing error 500
Fix get search results throwing error 500
Fix routing books_list for python2.7
Fix for "me" and "settings" pages
Update sidebarview and list view

cps/uploader.py

@@ -67,6 +67,8 @@ try:
     from PIL import __version__ as PILversion
     use_PIL = True
 except ImportError:
+    app.logger.warning('cannot import Pillow, using png and webp images as cover will not work: %s', e)
+    use_generic_pdf_cover = True
     use_PIL = False