Protocol function of dataObject for python function used on objects

Issue #22 wontfix
Wolfram Lyda
created an issue

The addToProtocol function could be added to python function used to modify data objects to improve the protocol / history of the dataObject.

My proposal, the last C++ function, which modifies the objects (e.g. python function or itom filter) add a line to the protocol tag using the addToProtocol function.