Fixed run_sketch on OSX and Windows and additional support for hexadecimal and web color notations

[hx2A]

Fixes:

• Fix run_sketch on Windows and OSX. Previously the utility did not work on either platform.

New features:

• Support hexadecimal and web color notation assignments to the pixels array (pixels = "#882222")
• Support 3 character web color notation ("#882222")

---

This discussion was created from the release Fixed run_sketch on OSX and Windows and additional support for hexadecimal and web color notations.