v0.1.3

What's Changed

• Refactor IO handling, fix assertions, fix reference parsing by @lfoppiano in #101
• Include formula in the JSON and MD output by @lfoppiano in #102
• Fix head of section with multi-sections by @lfoppiano in #103
• Add runtime and performance statistics by @lfoppiano in #106
• Add standalone CLI converters for JSON and Markdown by @lfoppiano in #104
• Allow output empty JSON or Markdown by @lfoppiano in #107

Full Changelog: v0.1.2...v0.1.3