Reorganise the code so that it generates the error when a field isn't defined at the node being referenced rather than segfaulting (as it used to until I committed the changes for time_sequences).
Reorganise the code so that it generates the error when a field isn't defined
at the node being referenced rather than segfaulting
(as it used to until I committed the changes for time_sequences).


cmiss/cmgui,cmiss/cmgui