[GPU-Z Test Build] ROP/Shader detection NV41, NV42, NV43, G70, G71, G73

[W1zzard]

Updated the calculation routine for shader and ROPs on the cards mentioned in the title.

Please report back if your results are correct. If you are unsure what the correct number should be post your number and that you are not sure if its correct.

[W1zzard]

change included in 0.1.6