more robust check for empty session data
more robust check for empty session data

walterbender/turtleblocksjs,i5o/turtleblocksjs,Daksh/turtleblocksjs,tradzik/turtleblocksjs,rodibot/turtleblocksjs,tchx84/turtleblocksjs,i5o/turtleblocksjs,garyservin/turtleblocksjs,tradzik/turtleblocksjs,tradzik/turtleblocksjs,tchx84/turtleblocksjs,garyservin/turtleblocksjs,garyservin/turtleblocksjs,i5o/turtleblocksjs,tchx84/turtleblocksjs,hemantkasat/turtleblocksjs,Daksh/turtleblocksjs,walterbender/turtleblocksjs,Daksh/turtleblocksjs,hemantkasat/turtleblocksjs,walterbender/turtleblocksjs,hemantkasat/turtleblocksjs,rodibot/turtleblocksjs,rodibot/turtleblocksjs