Explicit index access to data frame

Full Changelog: v1.0.1...v1.21

v1.0.1 - adapt to scipy 1.10

What's Changed

• feat: increment siibra version - thresholding by @xgui3783 in #4

New Contributors

• @xgui3783 made their first contribution in #4

Full Changelog: v1.0...v1.0.1

v0.1a2

new pypi release