proxy login is now no longer saving cookies,

Cookies are saved in database for better Invalidation
Cookies expiry date is saved in database for further deletion (missing)
Database conversion is missing

cps/about.py

@@ -26,12 +26,12 @@ import sqlite3
 from collections import OrderedDict
 
 import flask
-import flask_login
 import jinja2
 from flask_babel import gettext as _
 
 from . import db, calibre_db, converter, uploader, constants, dep_check
 from .render_template import render_title_template
+from .usermanagement import user_login_required
 
 
 about = flask.Blueprint('about', __name__)
@@ -74,7 +74,7 @@ def collect_stats():
 
 
 @about.route("/stats")
-@flask_login.login_required
+@user_login_required
 def stats():
     counter = calibre_db.session.query(db.Books).count()
     authors = calibre_db.session.query(db.Authors).count()