SONOS: Bugfixes according to isalive-checker, lost players, add spotify titles and spotify-cover-retrieving
SONOS: Bugfixes according to isalive-checker, lost players, add spotify titles and spotify-cover-retrievingView Changes
Source: SONOS: Bugfixes according to isalive-checker, lost players, add spotify titles and spotify-cover-retrieving (http://sourceforge.net/p/fhem/code/8358/)