restyling front-end with some fixed position elements
working on infinite scrolling
fixed infinite scrolling - I had to turn the offset in the query from a string to an integer, duh
historical entries before date that the user subscribed to the feed will be marked as read
create entry in db.read when auser subscribes to a feed.
mark read button changes to mark unread and vice versa
added mark-unread functionality to handler.js and rdb.js; updated some styling including item_byline class
back-to-top nav button