Merge pull request #8 from MarwanG/master

zstart boolean
Merge pull request #9 from MarwanG/master

if zstart changed
script to package a source package /sorting folders
script debian binary package
removing DS_Store
make file without ocamlbuildfor opam
opam packaging script
Merge pull request #10 from MarwanG/packaging

Packaging
small modifs
debian 32 vs 64
script fixing
one single makefile
fix for byte compilation
packaging scripts fix
compile and cleanup scripts
Merge pull request #15 from MarwanG/packaging

Packaging
Merge pull request #17 from fredokun/packaging

Packaging
modifs ... issues with series-parallel
modification of specs
fix the seq problem