Signature: support 16-bit types in pretty signatures
Signature: support 16-bit types in pretty signatures

Change-Id: Ib25b8391cf8f4e77678a8a1e108949f2bacf36be
Reviewed-on: http://gerrit.aldebaran.lan/63529
Reviewed-by: vpaleologue <cb19838a79eb484e12a6960acfbf7c16dfdb80d9@aldebaran-robotics.com>
Tested-by: pdaouadi <fc1eb3334d3fdad315bae23aa166bc70bd434067@aldebaran-robotics.com>

aldebaran/libqi,aldebaran/libqi,aldebaran/libqi