Notes:

Release Name: v0.2.1 (October, 5, 2023) (v0.2.1)

Notes:
## Release Notes

Minor release, incorporate major bug fixes and recommendations from OHBM meeting.

## CHANGES
* [FIX] unique already creates an index, unique made a repetitive index (#600) @jdkent
* [ENH] add base_study attribute (#599) @jdkent
* [FIX] ignore string if doi/pmid/name string is empty (#598) @jdkent
* [ENH] add conditions and weights to specification (#597) @jdkent
* [ENH] add studyset-references endpoint (#596) @jdkent
* chore(deps): bump @cypress/request and cypress i ... see more


Changes: