Save all candidates in pkl file for later aggregation and filtering.
    domock is option to save simulated cands file

def savecands(d, cands, domock=False):
    """ Save all candidates in pkl file for later aggregation and filtering.
    domock is option to save simulated cands file
    """

    with open(getcandsfile(d, domock=domock), 'w') as pkl:
        pickle.dump(d, pkl)
        pickle.dump(cands, pkl)