Use $* as it should have been
Use $* as it should have been

-z "$*" will work with multiple arguments, -z "$@" won't

Fixes #569

tinnightcap/nubis-base,Nubisproject/nubis-base,limed/nubis-base,tinnightcap/nubis-base,gozer/nubis-base,Nubisproject/nubis-base,limed/nubis-base,gozer/nubis-base,gozer/nubis-base,limed/nubis-base,tinnightcap/nubis-base