Add test about meta rule
Update test about meta rule
Add exemple of improvement API
Merge remote-tracking branch 'origin/dev' into erik
add mutability (copy of concurrency)
edit pom
change package name
change package name for test
rename package in file
add mutability module in pom
edit .project and change concurrency to mutability
edit mutability and move generator of generics from engine to
transaction
Revert "edit .project and change concurrency to mutability"

This reverts commit 6dab6e4b0e3593c569e7f6f1105564b33c1f8d8a.
Revert "add mutability module in pom"

This reverts commit 97437ac37374855082b1189aff3660bea361f9f2.
Revert "Revert "edit .project and change concurrency to mutability""

This reverts commit 8ed1735544a44099618326a346a4cf9161be7529.
in progress
compilation ok
add concurrency tests
in progress
everything compile. Must implements methods in mutability