Maintenance release

What's Changed

• Specified expected CSV-format in README.md by @jliebers in #16
• BF: prevent conversion of lower y-axis limit to -inf by @adswa in #15
• BF-19: Safeguard inappropriate savgol filter set up by @adswa in #20
• BF: Loosen savgol-filter warning to allow disabling the filter by @adswa in #22
• Switch to appveyor w/ cross-platform tests by @mih in #21
• Fix CIs by @adswa in #32
• Improve input validation by @adswa in #29

New Contributors

• @jliebers made their first contribution in #16

Full Changelog: 1.0...v1.1