Merge pull request #3 from thomasblanc/master

One compiler, arrays, random useful stuff
Merge pull request #4 from thomasblanc/master

Widening, narrowing, function stack specialisation
function hgraph output correction
Adding function test file (not working yet)
Merge pull request #5 from chambart/master

Quelques petits trucs
Fix a problem that occured on function calling.
Merge pull request #4 from OCamlPro/master

update
Merge branch 'master' of http://github.com/OCamlPro/ocaml-data-analysis

Conflicts:
	test/tests.ocp
Adding dot files to gitignore
Merge branch 'master' of http://github.com/thomasblanc/ocaml-data-analysis
print_tlambda: export primitive printing function
Fix problem with function calls not propagated
Print edge attributes in the output dot
Fix problem with cloning of deep call edges
Update test_data printing and change the used stack