3.1.1

What's Changed

• Add cna by @srmnitc in #3
• Add diamond neighbors by @srmnitc in #4
• Add centrosymmetry by @srmnitc in #5
• Verify repetitions by @srmnitc in #6
• Streamline system by @srmnitc in #9
• Cleanup structure creation by @srmnitc in #10
• Clean system by @srmnitc in #11
• Add dhcp by @srmnitc in #12
• Vorovector by @srmnitc in #13
• Add sro by @srmnitc in #14
• fix composition by @srmnitc in #15
• Add viz by @srmnitc in #16
• Improve gb by @srmnitc in #17
• add ca ratio by @srmnitc in #18
• Update docs by @srmnitc in #19
• Switch to jb by @srmnitc in #20

Full Changelog: 3.1.0...3.1.1