Yes... and no. You still need to shoot me a PM, just say, "I'd like to change my username to ___________".
I have a program on my end that queries the database and outputs manual SQL commands that I then run against the database server. I input two (before / after) usernames and it gives me all the commands to run to make the change... cut 'n paste from there.
It's a much quicker process than before but I'd still like to make it automated. At most a few people a month request name changes, if I get more requests it will justify the time expense it will take me to make it fully automated.
So shoot me a PM if you'd like your username changed.