Ethon

For example: ``` # books: Dict[str, str] = ormar.Json() filter(json_extract(Publisher.books, "$.name") = "Hello") -------------------------- pbs, books = await MultiObjects(Publisher, Book).filter(Publisher.id == Book.publisher_id) or pbs, books = await MultiObjects(Publisher, Book).all() ```

Add file/image field

1

- #115 #116 file field - #128 @aminalaee , docs build failed.

define the queryset_class in model

- :bug: bugfix: excessive backquotes sometimes in `ConvoOutputParser` @hwchase17 - :recycle: defect: easy to change other tool response template in `ConversationalChatAgent` - :bug: `ChatPromptTemplate.from_role_strings`, fix `new ChatMessagePromptTemplate` argument name typo....

Fix some issue

1

- #967 - #957 - word typo

The code is complex, not easy to developer.

release the bugfix version

1

release the `0.2.1` please.