If the `limits` query parameter is present, we expect it to override the `limit` variable. However, the variable was mistakenly defined locally and fails to override the outer variable.

Set `maxLimit` as default value for the `limit` parameter in the `/objects` endpoint.

See merge request !3

This adds a `total_objects` count to the response, which is useful to know the count of objects associated to a user to determine the amount of pages required ahead of time for ease purposes.

We filter out non-file/link types by default. However, the check mistakenly filtered out all files by default.