Make mode exclusion more explicit
Fix URL handling of SCM
Allow use of postgresql lib.
Log. information about the first commit of linux-full (ie. graft git of history and current linux)
Update playground
Running modes not longer appear as some options
Possibility to improve the way to handle not given release date cases
Fix build system for use of the postgresql lib.
Avoid name clash between system lib for rational number and file churn computation
Add graph mode
Fix usage of the modes
Merge branch 'manseur' into dev
Simplify the HCL grammar