GitLab

Store references to the System and Integrator inside the Context so they don't get garbage collected

Change doctests to reflect better preservation of tuples in collections of collections.
Note that outer container is still converted to list...

Change Fortran wrapper building script (wrappers/FortranWrapper_Header.xslt) to add line breaks between function and subroutine arguments.  This was needed to keep lines under 132 characters in length