Deserializing with serde does not work with Memo. FieldTypeNotAsExpected.

![Screenshot 2022-10-11 at 20 13 23](https://user-images.githubusercontent.com/29581161/195168672-47398c14-3b2e-4e64-8b46-c364b8165dc9.png)
The field type of "info" is String what should correspond to [Memo](https://docs.rs/dbase/0.3.0/dbase/enum.FieldValue.html#variant.Memo), but the Deserialiser expects a Character field because "info" ist of type String.