Added two options to the info command and added TheTVDB links for each show

--sort-by-next, if used, sort shows by days till broadcast else
 sort alphabeticaly.
--show-all, if used, show all shows else show only shows that have
 upcoming episodes.
Added thePirateBay as a search engine

Updated README.org to reflect this and added thepiratebay_sx to config.ini