Parent/Child relative axial tilt

[Kerbinator-Fras]

for childs (satelites), when tilt of parent is on, the childs should deducted tiltX and tiltZ of parent
for same level or parent with tilt of one of childs on, the parent should add tiltX and tiltZ of child

note that I'm currently not been able to directly programming, but testing and assistance could be done.