Add initial map serialize minimisation
Add initial map serialize minimisation

Hopefully this should be the foundation of the editor output, as you
should be able to modify what you want and it only save the changes out.

TODO: Way of removing map entries (not just adding/modifying)
TODO: Something similar for lists/vectors?

FranciscoDA/OpenApoc,Istrebitel/OpenApoc,FranciscoDA/OpenApoc,pmprog/OpenApoc,Istrebitel/OpenApoc,pmprog/OpenApoc,steveschnepp/OpenApoc,FranciscoDA/OpenApoc,steveschnepp/OpenApoc