Dataset management

[gustav (Gustav Engström)]

@ines

dataset.upd

For some reason the answer above changed all my datasets meta data. Amended the method as follows to get it to work.

def update_dataset_meta(name: str, meta: dict):
    dataset = Dataset.get(Dataset.name == name)
    dataset.update(meta=json.dumps(meta)).where(
        Dataset.id == dataset.id
    ).execute()