v1.7.7 Variational + Random effects multivariate

What's Changed

• Update array syntax, fabs, dirichlet_multinomial by @andrjohns in #111
• update theme by @stemangiola in #118
• .x does not exist here by @stemangiola in #119
• When the sum of generated count is 0, the division was returning null… by @stemangiola in #120
• Add multivariate prior by @stemangiola in #114
• allow arbitrary contrasts to be plotted by @stemangiola in #121
• Variational default by @stemangiola in #127

New Contributors

• @andrjohns made their first contribution in #111

Full Changelog: v1.7.2...v1.7.7