r0.6.0

Changes in v0.6.0

• Various additions to logging and plotting in particular the comocma.como_logger, versatile and still bound to change
• A few bug fixes including issues #8 and #9
• Remove strict dependency on matplotlib and fix some ruff errors and warnings.
• Implement infrastructure to let the 'restart' option use new or existing kernels based on budget.
• Modernize setup and installation with pyproject.toml and add a test module.