`choosenim update self` bumps into a 404 error.
```
$ choosenim update self
   Updating choosenim
[##################################################] 100.0% 0kb/s
/__w/choosenim/choosenim/src/choosenim.nim(350) choosenim
/__w/choosenim/choosenim/src/choosenim.nim(332) performAction
/__w/choosenim/choosenim/src/choosenim.nim(176) update
/__w/choosenim/choosenim/src/choosenim.nim(151) updateSelf
/__w/choosenim/choosenim/src/choosenimpkg/download.nim(211) downloadFile
/__w/choosenim/choosenim/src/choosenimpkg/download.nim(162) downloadFileCurl
Error: unhandled exception: Expected HTTP code 200 got 404 [HttpRequestError]
```

To be more specific, for some reason it attempts to download `https://github.com/dom96/choosenim/releases/download/v0.8.5/choosenim-0.8.5_linux_amd64` which actually doesn't exist - and there's no release 0.8.5 in general. I'm not sure why would it think that one exists though...