small fix for book recommendations

library/rnrfeed/rnrfeeder.py

@@ -34,7 +34,7 @@ def rabbithole(entry):
     fieldsofinterest = getfieldsofinterest()
     categories = [t.get('term') for t in entry.tags]
     for id, fields in fieldsofinterest.items():
-        if [f for f in fields if(f.strip() in categories)]:
+        if [f for f in fields if(f.lower().strip() in categories.lower())]:
             # print("book found")
             publicationinfo = getfullpublication(id)
             fulltitle = "{0} - {1}".format(