v0.17.0

What's Changed

• Add superseded field to course and lesson manifests by @martinmr in #262
• Add better error handling for method to add dependencies by @martinmr in #263
• Implement superseded units by @martinmr in #264
• Add superseded values to transcription course by @martinmr in #265
• Move blacklists end-to-end tests into their own file by @martinmr in #266
• Move metadata filtering tests to their own file by @martinmr in #267
• Ignore units with unknown type during scheduling by @martinmr in #268
• Refactor SQLite pragmas into common function by @martinmr in #269
• Upgrade libraries by @martinmr in #270
• Add separate superseding score to scheduler options by @martinmr in #271
• Improve method to retrieve exercises by @martinmr in #272
• Improve performance due to slow indexing by @martinmr in #273
• Do not update dependency sinks when updating superseded units by @martinmr in #274
• Remove locks from score cache by @martinmr in #275
• Improve superseded semantics by @martinmr in #276
• Rename superseded_by to superseding by @martinmr in #277

Full Changelog: v0.16.4...v0.17.0