[Diff since v0.6.3](https://github.com/pagnani/ArDCA.jl/compare/v0.6.3...v0.6.4)
**Merged pull requests:**
- More versatile loglikelihood (35) (PierreBarrat)
**Closed issues:**
- save ArNet to file (23)
- How to get the correct idx for mutation inference (26)
- How to download the aligned fasta files from Pfam database? (34)