Unmap a Volume from SDC or all SDCs
        :param volObj: ScaleIO Volume object
        :param sdcObj: ScaleIO SDC object
        :param \**kwargs:
        :Keyword Arguments:
        *disableMapAllSdcs* (``bool``) -- True to disable all SDCs mapping
        :return: POST request response
        :rtype: Requests POST response object
        :raise RuntimeError: If failure happen during communication with REST Gateway - Need to be cleaned up and made consistent to return understandable errors

def unmap_volume_from_sdc(self, volObj, sdcObj=None, **kwargs):
        """
        Unmap a Volume from SDC or all SDCs
        :param volObj: ScaleIO Volume object
        :param sdcObj: ScaleIO SDC object
        :param \**kwargs:
        :Keyword Arguments:
        *disableMapAllSdcs* (``bool``) -- True to disable all SDCs mapping
        :return: POST request response
        :rtype: Requests POST response object
        :raise RuntimeError: If failure happen during communication with REST Gateway - Need to be cleaned up and made consistent to return understandable errors
        """
        # TODO:
        # Check if object parameters are the correct ones, otherwise throw error
        # ADD logic for ALL SDC UNMAP
        # For all SDC unmapVolumeFromDict = {'allSdc':'True'} False can be used
        self.conn.connection._check_login()
        if kwargs:
            for key, value in kwargs.iteritems():
                if key == 'enableMapAllSdcs' and value == False:
                    if self.get_volume_all_sdcs_mapped(volObj): # Check if allSdc?s is True before continuing
                        unmapVolumeFromSdcDict = {'allSdcs': 'False'}
        else:
                unmapVolumeFromSdcDict = {'sdcId': sdcObj.id}
        try:
            response = self.conn.connection._do_post("{}/{}{}/{}".format(self.conn.connection._api_url, "instances/Volume::", volObj.id, 'action/removeMappedSdc'), json=unmapVolumeFromSdcDict)
        except:
            raise RuntimeError("unmap_volume_from_sdc() - Cannot unmap volume")
        return response