Also serialize [] to JSON, it makes [] converted to '[]' (Array to string) which prevents ActiveRecord to serialize it to YAML, closes #4346
Also serialize [] to JSON, it makes [] converted to '[]' (Array to string) which prevents ActiveRecord to serialize it to YAML, closes #4346

nirvanesque/g5k-api,nirvanesque/g5k-api,nirvanesque/g5k-api,nirvanesque/g5k-api