Changes in the release 3.3.3:
support for storing/recovering the window positions
added new instrument pictures for "Recorder", "Streamer" and "Listener"
the solo state of a mixer fader is not exclusive any more and the solo
state is preserved if the number of mixer faders changes
more precise sound card latency estimation under Windows
integrated a new OPUS version: v1.1
bug fix: support for correct utf-8 storage of names in the ini-file