Pull ripser.py latest changes

[reds-heig]

Reference issues/PRs

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Description

Pull latest changes added to ripser.py, in particular via https://github.com/scikit-tda/ripser.py/pull/106. The changes concerns only performance and not functionality. This PR also add a new dependency, robinhood hashmap, which allow to speed up by around 30% the runtime.

Screenshots (if appropriate)

Any other comments?

Checklist

• [x] I have read the guidelines for contributing.
• [x] My code follows the code style of this project. I used flake8 to check my Python changes.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have added tests to cover my changes.
• [x] All new and existing tests passed. I used pytest to check this on Python tests.

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[ulupo]

Amazing! If this is ready for you then I'll just trigger the Azure CI for the wheels (so far only the dev install has been tested) and merge if they pass.

[MonkeyBreaker]

Green light for me :)