Log Message:
gallery-dl: Update to 1.10.4

Changes:
1.10.4
------
### Additions
 - Support for
   - `lineblog` (#404)
   - `fuskator` (#407)
 - `ugoira` option for `danbooru` to download pre-rendered ugoira
   animations (#406)

### Fixes
 - Download the correct files from `twitter` replies (#403)
 - Prevent crash when trying to use unavailable downloader modules (#405)
 - Fix `pixiv` authentication (#411)
 - Improve `exhentai` image limit checks
 - Miscellaneous fixes for `hentaicafe`, `simplyhentai`, `tumblr`