IGBF-2666 Fix instructions for testing graph track operations
IGBF-1344 graph operations don't handle inverse 0 well
IGBF-1309 inverse log operations make no sense
We discovered this in 9.0.1 and reproduced it in 9.0.0.
Fixed in IGBF-2666
We discovered this in 9.0.1 and reproduced it in 9.0.0.