properly display list entries for assoc lists not as cons pairs (key . (entry)) -> (key entry)
rename entry function to sexpr and use s_express for internal function
update merge s-expr-log
rename sexp to sexpr
rename abbr field to name, group-names can't have '.'
angular localStorage service
use localstorage to keep login-data
verification functions for register form, show userid and test if it's available