0.3.6: remove the build warnings about the unused fields

0.3.5: bump the cargo edition and actualise the versions of dev-depen…

…dencies

0.3.3: provide the "current prefix" within the error when no matching…

… fields found

Run tests with and without "debug-logs" feature

Support for Vec<JsValue> fields

0.2.2: support array-columns (e.g. returned by `array_agg(col_name)` )

MapVisitor implemented properly. Useful when the structs deserializer…

… starts with deserialize_any, e.g. JsValue or a HashMap