qicli: call, post and set handle negative numbers properly
qicli: call, post and set handle negative numbers properly

Change-Id: Ie93a2d20486661d11b37cf185032445c533fea79
Reviewed-on: http://gerrit.aldebaran.lan/19491
Reviewed-by: cgestes <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>
Reviewed-by: pagoya <7ffac46e4411217b32d23ad04d1d8258bc41aef0@aldebaran-robotics.com>
Tested-by: pagoya <7ffac46e4411217b32d23ad04d1d8258bc41aef0@aldebaran-robotics.com>
Reviewed-on: http://gerrit.aldebaran.lan/20547
Reviewed-by: vbarbaresi <371b46c96c99af52f4f920034e4fcb63ece5bdb5@aldebaran-robotics.com>

aldebaran/libqi-java,aldebaran/libqi-java,aldebaran/libqi-java