Thu, 11 Jul 2013 10:43:53 +0200 wenzelm tuned;
Wed, 10 Jul 2013 23:30:10 +0200 wenzelm added "echo" command for demonstration purposes;
Wed, 10 Jul 2013 23:25:28 +0200 wenzelm more abstract message channel;
Wed, 10 Jul 2013 22:56:48 +0200 wenzelm explicit shutdown of message output thread;
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