updated serial and playable
Merge branch 'master' of http://github.com/RhobanProject/Utils
Merge branch 'master' of http://github.com/RhobanProject/Utils
Merge branch 'master' of http://github.com/RhobanProject/Utils
Merge branch 'master' of http://github.com/RhobanProject/Utils
Merge branch 'master' of http://github.com/RhobanProject/Utils
simplified TimedThread.cpp
removed small timing bug in windows TickTimers