Return a list of BridgeUser objects with custom fields.

def get_all_users(include_course_summary=True):
    """
    Return a list of BridgeUser objects with custom fields.
    """
    url = author_uid_url(None) + "?%s" % CUSTOM_FIELD

    if include_course_summary:
        url = "%s&%s" % (url, COURSE_SUMMARY)

    url = "%s&%s" % (url, PAGE_MAX_ENTRY)

    resp = get_resource(url)

    return _process_json_resp_data(resp)