Progress on follow users. #209
Follow user works. #209
Remove sublime stuff out of common. #209
Ignore flooty. #209
Use a set. #209
now follow/unfollow user is by username, not connID.  Can follow multiple usernames. Jumps to last highlight by username upon following
Do the least expensive thing first. #209
This has to happen first. #209
Merge commit 'c870c5d358a60130095f43b15bdffef9b91cfb63'