v0.3.1

What's Changed

• Add rheo-* spine variables and Atom feed generation by @breezykermo in #130
• Allows feed_author specification and scoping of Atom content by @breezykermo in #131
• Updates cargo deps by @breezykermo in #132
• v0.3.1 by @breezykermo in #133

Full Changelog: v0.3.0...v0.3.1