tomato bugfix release 0.2.3

What's Changed

• Biologic driver changes for 0.2.x by @g-kimbell in #78
• Fix docs build in 0.2.x branch by @PeterKraus in #87
• ketchup: json string switch and unready function by @g-kimbell in #80

New Contributors

• @g-kimbell made their first contribution in #78

Full Changelog: 0.2.2...0.2.3