better aref handling

safe-aref: remove and just use ignore-errors
more ux

twaddle-timeline-next-link: use match-let and recur instead of letn
twaddle-timeline-prev-link: find links backwards as well
twaddle-timeline-eww: open links in eww, reader style
twaddle-twaddle-post-status: renamed status updated, now just messages
on completion
doc changes and remove noflet depend
propertize tweets properly
make twaddle do different timelines.