Milli v0.28.0

API breaking

• Improve geosearch error messages and accept string as coord (#523) @irevoire
• fix the searchable fields bug when a field is nested (#530) @irevoire

DB breaking

• fix the searchable fields bug when a field is nested (#530) @irevoire

Changes

• Add a test to make sure that long words are handled (#504) @Kerollmops
• normalize exact words (#505) @MarinPostma
• First version of new CONTRIBUTING.md (#508) @curquiza
• Remove pr_status from bors settings (#509) @curquiza
• Improve the README (#515) @Kerollmops
• Stop flattening every field (#514) @irevoire
• fix cargo warnings (#506) @MarinPostma
• Make nightly CI run every week (#517) @curquiza
• Return facets even when there is no value associated to it (#518) @Kerollmops
• deny warnings in CI (#507) @MarinPostma
• Do not generate keys that are too long for LMDB (#522) @Kerollmops
• fix mistake in Settings initialization (#520) @MarinPostma
• fix the mixed dataset geosearch indexing bug (#531) @irevoire

Thanks again to @Kerollmops, @ManyTheFish, @MarinPostma, @curquiza and @irevoire! 🎉