bind: rewrite with variadics
bind: rewrite with variadics

Change-Id: Ife974380a9c4f2da4574c127d03cdaeb06f69cff
Reviewed-on: http://gerrit.aldebaran.lan/62301
Reviewed-by: vpaleologue <cb19838a79eb484e12a6960acfbf7c16dfdb80d9@aldebaran-robotics.com>
Reviewed-by: jlamotte <70353e7b0c7d18b7fc75605daf0ccba69fcd3222@aldebaran.com>
Tested-by: pdaouadi <fc1eb3334d3fdad315bae23aa166bc70bd434067@aldebaran-robotics.com>

aldebaran/libqi,aldebaran/libqi,aldebaran/libqi