Exclude `scripts` from wheels

[reedsa]

What was wrong?

Error importing when using pytest due to scripts being included as a package.

How was it fixed?

Exclude scripts when building the wheel (setup.py) Include scripts for the distribution (MANIFEST.in)

Todo:

• [X] Clean up commit history
• [X] Add or update documentation related to these changes
• [x] Add entry to the release notes

Cute Animal Picture