When last Hair Balls looked into the sudden closure of the Human Development Lab, UH's venerable and acclaimed (if ominously named) pre-school, the situation was just starting to simmer. By now the stew over on Wheeler is on full boil. A Save HDLS web site has been created, and parents have protested on the UH campus. The university's general counsel is bedeviled with gales upon gales of open records requests, and vicious emails are flying back and forth between outraged parents and the honchos