Jukebox bug when /list is tiped

Hi, 

With last version of Manialive and MLEPP there is a bug when a player uses /list command : 
Class 'ManiaLive\DedicatedApi\Connection' not found in ManiaLive/libraries/ManiaLivePlugins/MLEPP/Jukebox/Gui/Windows/trackList.php on line 68

best regard
