v1.5.5 bug fixes and new visualization tools

Full Changelog: v1.2.6...v1.5.5

gruffi v1.2.6

Major code base update, bug fixes and new features

1. Some dependencies when updating my packages (was needed for consistency)
2. Pull requests are addressed
3. Removed functions that were not used (still left some)
4. Code restructuring / organization
5. Consistent function names
6. Some code annotation added
7. Code much less verbose now
8. Misleading variables names fixed
9. New functions for visualization of intermediate steps
10. New helper functions

Results should be consistent with that before.

What's Changed

• Adapting for changes in stringendo by @vertesy in #15
• Implement an autostop mode for gruffi by @heylf in #7

New Contributors

• @heylf made their first contribution in #7

Full Changelog: https://github.com/jn-goe/gruffi/commits/v1.2.4