Setting a custom column to be hidden
It is possible to sent the visibility of a given custom column (i.e., you can hide it or not). The program custom-column_visibility.py Download custom-column_visibility.py can be called to hide a column:
custom-column_visibility.py 1586 28 true
or make a column visible (i.e., not hidden):
custom-column_visibility.py 1586 28 false
Note that you need to know the column_id. You can learn this with the list-custom-columns.py Download list-custom-columns.py program.