What's Changed
* Feature frame indexing by kasahart in https://github.com/kasahart/wandas/pull/7
* Feature/add hpss by kasahart in https://github.com/kasahart/wandas/pull/8
* Add append and remove methods to ChannelAccessMixin; implement tests … by kasahart in https://github.com/kasahart/wandas/pull/9
* Feature fix by kasahart in https://github.com/kasahart/wandas/pull/10
* V0.0.9 by kasahart in https://github.com/kasahart/wandas/pull/11
* Refactor pad_mode type annotation in Channel class for improved clarity by kasahart in https://github.com/kasahart/wandas/pull/13
**Full Changelog**: https://github.com/kasahart/wandas/compare/v0.0.8...v0.0.9