v0.4.0rc1

Date: 2021-04-05

Maintenance

• Make saddle strength work with NaNs
• Add output option to diamond-insulation
• Upgrade bioframe dependency
• Parallelize random sampling
• Various compatibility fixes to expected, saddle and snipping and elsewhere to work with standard formats for "expected" and "regions": #217

New features

• New dataset download API
• New functionality for smoothing P(s) and derivatives (API is not yet stable): logbin_expected, interpolate_expected