forgot to incoporate User Agent into longurl
only read in 32KiB of data from the URL for auto-titles

* this help reduces the amount of data that is pulled from the remote
  server
add fuctionality to twitter.py to read recent URLs

* this checks the most recent URL seen in a channel and see if it was a
  twitter link, and if it was it will attempt to read the tweet from
  that URL
added colour to NWS alerts
strip white-space on input