v1.2.0

Overview

Improvements to exported JSON making it importable directly.

What's Changed

• Set pointer to null using schema. Fixes #6 by @brollb in #7
• Set guid/path on node creation. Fixes #8 by @brollb in #9
• Use guids by default in exported JSON. Closes #8 by @brollb in #10

Full Changelog: v1.1.0...v1.2.0