[Bug] Failure "has no medias to show" on some hashtags

For some hashtags, the following will happen (maybe due to private profiles?) and the downloads will stop:

```console
$ instaLooter -v -T "{datetime} {id}" hashtag vintagetech .
Loading pages | 59%(182 of 306)|############################ |Elapsed Time: 0:03:38 |ETA: 0:02:29
00:34:17 - WARNING - #vintagetech has no medias to show.
Downloading | 99%(2794 of 2795)|############################################### |Elapsed Time: 0:00:00 |ETA: 0:00:00
```