…sulted in a show folder called `None`.
Fix SB-API sb.searchTVDB call on returning incorrect data for a tvdbid that contains no name.
Report the failure to add a show to sb because it has no episode/season data rather than saying it has no name and to delete the .nfo file.
…f it was not set to anything.
This resolves tv.py throwing: `Malformed air date retrieved from TVDB`
This resolves tvrage.py throwing: `Error encountered while checking TVRage<->TVDB sync: year is out of range`