Merge pull request #1 from bhesmans/master

Add unit testing
Fix: distcheck

Signed-off-by: Gregory Detal <gregory.detal@uclouvain.be>
Add more scripting features

Signed-off-by: Gregory Detal <gregory.detal@uclouvain.be>
Update Click

Signed-off-by: Gregory Detal <gregory.detal@uclouvain.be>
Unit tests for tracebox

add a set of automated tests for tracebox

Signed-off-by: Benjamin Hesmans <benjamin.hesmans@uclouvain.be>