Implemented jazz minor scale and relative key functionality on harmonic, melodic, and jazz minors#1044

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Phantasmogenesis:master

Commits on Jun 25, 2021

Commits on Jun 26, 2021

Implemented all minor scales as DiatonicScales and fixed problematic typographical errors
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Commits on Jun 28, 2021

Fixed harmonic minor scale and changed abstract scale usage
Phantasmogenesis
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