0.4.0

• Removed abc-gan CLI subcommand, and added smc subcommand.
• Removed the --resample option for dinf-plot hist.
• Implement KDE variance shrinkage.
• Added entropy line plot.
• Bring dependencies up to date, e.g. fix deprecations.
• Lazily import scipy, to improve the CLI lag.
• Added dinf tabulate subcommand.