* Use the cgame interface (cgi)
* Extended the cgi.
* Use the cgi.
* Added mathlib_extra to cgame-campaign module.

* It was created specifically for automission.
* Use the cgi some more.
* Use the campaign specific function.
* Extended the cgi some more.
* Use the cgi...
* More cgi use.
* More cgi extension.
* Even more cgi use.
* Extended the cgi once more.
* Use the cgi...
* Avoid INVDEF.