auto create /var/lib/userserv
MY HANDS ARE TYPING WORDS
getUserInfo quick return -1 when NULL or short token.
any uid failure bumps to login page.
sending Connection: close   (worry about persistent later)
changed dir->json handling to script.
stub for filename expansion.
$HOME set from getpwuid
added /~ expansion to $HOME
jsondir script to list a directory as JSON  It's a bit broken.
NodeJS websocket session handler.   rudimentary version commit
more explanations, more dire warnings.