Make the python script object based instead of calling plain functions in it
As could be seen in a previous commit, so far the python modules for objects were simple modules without any class information, as calling into Python from C++ is resolved at run-time anyway. In order to clean things up a bit and enforce a bit of structure, that has been changed now:
![](https://olives.aztwantie.de/wp-content/uploads/2019/10/image-5.png)