nsf.c: - fixed unary argument passing notation for "-nocomplain" of nsf::var and for 42 other options of other commands nx.tcl: - added flag -nocomplain to "/obj/ /prop/ unset ?-nocomplain?"
nsf.c: - added nsf::var::get and "::nx::var get" to provide selector based interface for variable reading (used in slotmethod get of nx::VariableSlot) - cleanup of nx.tcl and TODO