* Fixes [this bullshit](https://github.community/t/support-theme-context-for-images-in-light-vs-dark-mode/147981/87) (no, really, I’m serious this time)
* Adds [``FilterRoller``][dyce.r.FilterRoller].
* Adds [``SubstitutionRoller``][dyce.r.SubstitutionRoller].