Changes since 5.13.1.185
BUG - Allow + sign to be dialed from desktop client
BUG - ASIO Stereo attempts to initialise as mono IO
BUG - Errors when messages had no text
BUG - Failover MOH not initializing after failover
BUG - TURN server check timeout causes command processor delays
BUG - Unable to start a WhatsApp Call from the webclient
