Pull Request 2

DELTA:
Completed:
Check to see if it's someone we follow.
If we haven't yet recorded that they've tweeted with #swsec
record that fact
retweet their tweet
If we know they've tweeted with #swsec before, ignore it.
If we don't follow them, do nothing.

TODO:
DM them saying "good job. we've recorded that you tweeted with #swsec"