Enhancements:
- Last fetch in feed has been updating to database
Fixes:
- Torrents not sent to output
- Avoid sqlite threading problem
- Redirect error prints to the logfile
- The Plutonium not worked with SQLite database
- In case of unavailable rss url, the fetching cycle is stopped
- The fetcher could not load any url
- If the feed or the filter name had contained any accented chars the fetch cycle has been stopped