Adding a small test for wrapping mpg123 and the latency of command i/o.
Adding a small test for wrapping mpg123 and the latency of command i/o.

This might grow into a generic protocol translator.


nadult/mpg123,nadult/mpg123,nadult/mpg123,nadult/mpg123,nadult/mpg123,nadult/mpg123,nadult/mpg123