fix version to match in PYPI

[Womokoshi]

PyPi version is already on 1.3.1 so next should be 1.3.2. Change logs and tag were missing. Added the change logs but tag was too late. I already tagged my changed to 1.3.1. So after this PR is merged. I will tag again with 1.3.2 then release to PyPi

[Copilot]

Pull Request Overview

This PR updates the version number from 1.3.1 to 1.3.2 to align with PyPI versioning and adds missing changelog entries. The author explains that PyPI already has version 1.3.1, so the next release needs to be 1.3.2.

• Updated version number in setup.py from 1.3.1 to 1.3.2
• Added changelog entry for version 1.3.1 that was previously missing
• Reorganized changelog to properly reflect the new version 1.3.2

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
setup.py	Updated version number to 1.3.2 for next PyPI release
CHANGELOG.md	Added missing 1.3.1 entry and created new 1.3.2 section

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