Modify the user lib funcs for the new Ip model
Modify the user lib funcs for the new Ip model

This is untested for now because there where no unit tests

lukasjuhrich/pycroft,lukasjuhrich/pycroft,lukasjuhrich/pycroft,agdsn/pycroft,agdsn/pycroft,agdsn/pycroft,agdsn/pycroft,lukasjuhrich/pycroft,agdsn/pycroft