Refactoring new struct

## [0.26.0] - 2022-02-15

Changed

• Change execute() to match the new requests structure.
• Change add() to match the new requests structure.
• Change min() to match the new requests structure.
• Change max() to match the new requests structure.
• Change aand() to match the new requests structure.
• Change where() to match the new requests structure.
• Change order_by_descending() to match the new requests structure.
• Change order_by() to match the new requests structure.
• Change select() to match the new requests structure.
• Request become SQLEnumerable and a new dataclass is used for connection.

Deleted

• Delete ffrom() which is no longer useful beacause the table is populated in the SQLEnumerable.