v0.1.18

Copulas v0.1.18

Diff since v0.1.17

A few bugfixes and a few more tests

Merged pull requests:

• Frank fix + coherence tests on Archimedeans + marginals tests on all copulas (#65) (@lrnv)
• Fix InvGaussianCopula when theta==0 (#67) (@lrnv)
• Move to StableRNGs for testing (#69) (@lrnv)
• JOSS Paper submission (#70) (@lrnv)

Closed issues:

• problem with Copula Frank samples (#64)
• Inverse Gaussian Copula (#66)
• Gumbel with parameter > 10 (#68)