Substrate-interface

What's Changed
* Upgrade contract interface to support WeightV2 by arjanz in https://github.com/polkascan/py-substrate-interface/pull/337


**Full Changelog**: https://github.com/polkascan/py-substrate-interface/compare/v1.6.2...v1.7.0

What's Changed
* Added query_multi() function by arjanz in https://github.com/polkascan/py-substrate-interface/pull/333


**Full Changelog**: https://github.com/polkascan/py-substrate-interface/compare/v1.6.1...v1.6.2

What's Changed
* Updated RPC methods to work with chopsticks by arjanz in https://github.com/polkascan/py-substrate-interface/pull/331


**Full Changelog**: https://github.com/polkascan/py-substrate-interface/compare/v1.6.0...v1.6.1

What's Changed
* Add method to subscribe to multiple storage keys at once by arjanz in https://github.com/polkascan/py-substrate-interface/pull/328
* Extensions framework by arjanz in https://github.com/polkascan/py-substrate-interface/pull/329
* Fix rpc message order by turuslan in https://github.com/polkascan/py-substrate-interface/pull/311
* Custom ss58_format for ss58_encode() by arjanz in https://github.com/polkascan/py-substrate-interface/pull/323
* calculate weight when upload_code==false by zabuxx in https://github.com/polkascan/py-substrate-interface/pull/321


New Contributors
* turuslan made their first contribution in https://github.com/polkascan/py-substrate-interface/pull/311
* zabuxx made their first contribution in https://github.com/polkascan/py-substrate-interface/pull/321

**Full Changelog**: https://github.com/polkascan/py-substrate-interface/compare/v1.5.2...v1.6.0

What's Changed
* Extrinsic encoding issues by arjanz in https://github.com/polkascan/py-substrate-interface/pull/325


**Full Changelog**: https://github.com/polkascan/py-substrate-interface/compare/v1.5.1...v1.5.2

What's Changed
* Added helper function pending_extrinsics() by arjanz in https://github.com/polkascan/py-substrate-interface/pull/318
* Include well-known PalletVersion storage function by arjanz in https://github.com/polkascan/py-substrate-interface/pull/322
* Convert documentation to mkdocs by arjanz in https://github.com/polkascan/py-substrate-interface/pull/319

**Full Changelog**: https://github.com/polkascan/py-substrate-interface/compare/v1.5.0...v1.5.1