[CLEAN] BaseModel: moved get_empty_list_help method to a better place in the code; added some comments.
[CLEAN] BaseModel: moved get_empty_list_help method to a better place in the code; added some comments.
MarkusTeufelberger/openobject-server,MarkusTeufelberger/openobject-server,MarkusTeufelberger/openobject-server