Changed the default state of the retained keyword argument in the pstr.string.__setvalue__() method of ptypes.pstr so that it explicitly needs to be cleared to resize the string.
Changed the default state of the retained keyword argument in the pstr.string.__setvalue__() method of ptypes.pstr so that it explicitly needs to be cleared to resize the string.

arizvisa/syringe,arizvisa/syringe,arizvisa/syringe,arizvisa/syringe,arizvisa/syringe