Reworked noise functionality and new Py5Vector class

[hx2A]

New Features:

• Reworked noise functionality. The Python noise library is no longer used to generate noise; the library has been removed as dependency. Instead, py5 uses the OpenSimplex noise algorithm and Processing's noise algorithm. The OpenSimplex algorithm is provided by KdotJPG's OpenSimplex2S implementation.
• New Py5Vector class

Fixes:

• Fix Error caused by setup.py location #50
• Fix Unable to change pixels' colors on image created with py5.create_image() #52

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This discussion was created from the release Reworked noise functionality and new Py5Vector class.