CRA-723: Fixed bug where updated grids were not returned due to lacking reference, and wrong limit used in copy constructors for Simbox.
Merge branch 'CRA-723' into CRA-505

Conflicts:
	src/simbox.cpp
Merge pull request #139 from RagnarHauge/CRA-505

Cra 505 CRA-723: Initial fixes for running case 7 in multizone, still errors in output.