Provide a dialog for editing vertex and edge weigths

• title the title in the dialog box - nrOfWeights how many weights are there - weights an array of initial values - intFlag an array denoting whether the corresponding entry is an integer (=1) or a float (=0) Hack: A negative value will disable editing - label an optional array of strings to use for weight names

__init__ (
        self,
        master,
        title,
        nrOfWeights,
        weights,
        intFlag,
        label=None,
        )

body ( self,  master )

validate ( self )