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/ub.py

@@ -100,7 +100,10 @@ Base = declarative_base()
 def get_sidebar_config(kwargs=None):
     kwargs = kwargs or []
     if 'content' in kwargs:
-        content = not kwargs['content'].role_anonymous()
+        if not isinstance(kwargs['content'], Settings):
+            content = not kwargs['content'].role_anonymous()
+        else:
+            content = False
     else:
         content = False
     sidebar = list()