v0.3.0

What's Changed

• Smarterwithdups by @smasongarrison in #1
• Smarterwithdups by @smasongarrison in #3
• Smarterwithdups by @smasongarrison in #7
• Dev by @smasongarrison in #8

Full Changelog: https://github.com/R-Computing-Lab/ggpedigree/commits/v0.3.0