Handle Unicode script properties.
Handle Unicode script properties.

Gets S05-mass/properties-script.t to pass to the same degree as on
Rakudo Parrot.

cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp