* Follow up df2f850c, correcting `class_idx` usage that should be compared with `enum e_job` in `pc_calc_basesp` and also in `pc_calc_basehp`
* Follow up 308c4779, fixed typo fix
* Makes `instance_id()` doesn't show debug message when it return 0 for instance id
Signed-off-by: Cydh Ramdh <cydh@pservero.com>