0.12.1

🐛 Bug Fix

• Lowercase "sha256" #493 (@jwodder)
• Validate uploads before digesting #495 (@jwodder)
• Check for already-uploaded blobs via /uploads/initialize/ instead of /blobs/digest/ #496 (@jwodder)
• Update upload code for changes in API #479 (@jwodder)
• dandi ls: Error if --schema is given with remote resource of different version #489 (@jwodder)

🧪 Tests

• Add option for only running new Dandi API tests #500 (@jwodder)
• Don't hardcode DANDI_SCHEMA_VERSION value in tests #491 (@jwodder)

Authors: 1

• John T. Wodder II (@jwodder)