Clifford+RZ rounding for ExpectationBitsAllRdm()

This release add the option to round RZ gadget buffers that have phase angles between -Pi/8 and Pi/8 to no-operation. (Phase angles outside the range -3Pi/8 to 3Pi/8 are similarly implicitly rounded to S or IS gates.) Also, a minor bug introduced in v8.16.0 in QUnit::GetAmplitudeOrProb() was fixed.

It's worth noting that if you're using mirror circuit tests and validation, like the Qrack developers are, this rounding behavior leads to optimistic bias on mirror circuit benchmarks. Instead of simply using the rounded methods with mirror circuits, one might estimate fidelity from some combination of the rounded and un-rounded results of ExpectationBitsAllRdm().

File SHA-1 sums:

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21a459ebb9687fecb2d37a7f50ff6973642a0f7c qrack_WSL_Ubuntu_22.04_LTS_benchmarks

Full Changelog: vm6502q.v8.16.0...vm6502q.v8.16.1