Create a new instance of this type with the specified options.

        Args:
            opts (dict): The type specific options for the new instance.

def clone(self, opts):
        '''
        Create a new instance of this type with the specified options.

        Args:
            opts (dict): The type specific options for the new instance.
        '''
        topt = self.opts.copy()
        topt.update(opts)
        return self.__class__(self.modl, self.name, self.info, topt)