Fixes error in torrentleech "RSS feed" fetching and adds better error handling to TvTorrents

- Better error handling for connection errors when trying to get TvTorrents RSS feed
- The "RSS feed" url variable for torrentleech was "misspelled"
Merge pull request #106 from dekadius/torrentsRssFixes

Fixes error in torrentleech "RSS feed" fetching (+minor TvTorrents fix)