Updates to README about the original images

v0.1.3

v0.1.3: Improve README about the original images

Re-release v0.1.2 to re-trigger Zenodo after site error

For the Nature paper, for reference, added a subdirectory containing the original images from Andrew Tollefson that was the basis of the initial Cliopatria shapes. These were developed from the references cited in the paper, Table 1.

Add original images for reference

For the Nature paper, for reference, added a subdirectory containing the original images from Andrew Tollefson that was the basis of the initial Cliopatria shapes. These were developed from the references cited in the paper, Table 1.

Updates for Nature paper; drops some additional non-POLITY entities

v0.1.1

v0.1.1: Eliminate additional non-POLITY entities

Updates for Nature paper; adds Scythia.

Updates for Nature paper; adds Scythia.

Preparation for first public release

Update data file and README and LICENSE in preparation for Zenodo and paper release.

v0.0.0

Test release