Release 1.4.0

• no changes

What's Changed

• try to avoid caching of some badges by @sgbaird in #5
• Add --pth-file to README instructions by @sgbaird in #4
• remove PyPI downloads (since it's skewed by my CI) by @sgbaird in #6
• Mention article is under review@digital-discovery by @sgbaird in #7
• add open interactive figures badge to README by @sgbaird in #9
• Dev by @sgbaird in #10
• Dev by @sgbaird in #11
• Improve documentation via NumPy docstrings by @sgbaird in #12
• Remove code graveyards by @sgbaird in #13
• Sphinx docs by @sgbaird in #14
• Dev by @sgbaird in #15
• Sphinx docs by @sgbaird in #16

Full Changelog: 1.3.10...1.4.0