rushstats 0.3.0

• Add coloured terminal guidance, progress, summaries and errors with automatic plain output for pipes and NO_COLOR support.
• Process multiple CSV datasets sequentially, with an optional output directory and continue-on-error mode.
• Save and load versioned JSON analysis configurations; explicit CLI settings override presets.
• Preflight batch output collisions and protect every input and configuration from report writes.

rushstats 0.2.0

• Add unscaled median absolute deviation and configurable symmetric trimmed means.
• Add categorical entropy in bits and dominant-category percentage.
• Add exact duplicate-row counts without dropping observations.
• Add grouped reports with composite keys, explicit missing groups and a group limit.
• Preserve full-dataset column types within each group.

Distribution work prepared for this release:

• Cross-platform wheel builds, installed-wheel tests and source-distribution validation.
• Optional multi-stage Docker image with an unprivileged runtime user.
• Manual TestPyPI/PyPI publishing through Trusted Publishing.
• Contributor guidance, issue templates and release documentation.