1.6.0

What's Changed

• Add documentation in the Elements.Serialization.SVG project. by @ikeough in #923
• update package versions for elements.serialization.dxf by @andrewheumann in #953
• oops, missed a rename by @andrewheumann in #954
• enforce warnings as errors to improve code quality. by @wynged in #922
• Increment tag to support multiple similar CSGs. by @ikeough in #960
• Fix changelog. by @ikeough in #966

Full Changelog: 1.5.0...1.6.0