Set the tag 'tag' to the value True or False. 
    :param value: should be a boolean 
    :param tag: should be the id of the tag. Can not starts with '*auto-tag-'

def set_tag(tag, value):
    """ 
    Set the tag 'tag' to the value True or False. 
    :param value: should be a boolean 
    :param tag: should be the id of the tag. Can not starts with '*auto-tag-'
    """ 
    if not tag.startswith("*auto-tag-"):
        rdict = load_feedback()
        tests = rdict.setdefault("tests", {})
        tests[tag] = (value == True)
        save_feedback(rdict)