Pass through to provider BinAdminSession.update_bin

def save_bin(self, bin_form, *args, **kwargs):
        """Pass through to provider BinAdminSession.update_bin"""
        # Implemented from kitosid template for -
        # osid.resource.BinAdminSession.update_bin
        if bin_form.is_for_update():
            return self.update_bin(bin_form, *args, **kwargs)
        else:
            return self.create_bin(bin_form, *args, **kwargs)