Fix/pitch shift#166

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stephenhensley wants to merge 4 commits intomasterfrom

fix/pitch_shift

Commits on Oct 1, 2021

changed clamping of phasor to allow negative frequency
stephenhensley
committed
simplified pitch shifter, and fixed issues with negative tranposition.
stephenhensley
committed
changed quantize default to false, and added documentation for init.
stephenhensley
committed

Commits on Oct 11, 2021

fixed the 'fun' param to work the same when transposing below 0, and added some auto-recalc for transposition at/near zero.
stephenhensley
committed