keyvalues-serde 0.2.2

Just a handful of features and bugfixes

Feature

• Expose functions for deserializing with "raw" strings that don't interpret escaped characters (#79)

Fix

• Allow maps where we normally expect structs when serializing (#81)
• Support unit-variant enums as map keys (#67)

Documentation

• Copy licenses into each crate (#75)

Dependencies

• Drop thiserror for a manual implementation (#56)