Steven Lovelock

I am having a problems with the latest ExcelDna.xll from 1.5.0 being flagged as malware: https://www.virustotal.com/gui/file/c5fed569b699e5d5da8dd9510727436668f557e39bb0cf6742973a8b93923a9a/detection

Just to highlight things that it can beak. When the `json.expand_keys` option is used in [filebeat](https://www.elastic.co/guide/en/beats/filebeat/current/decode-json-fields.html), it will cause the following error: > cannot expand "log.level": found existing (string) value