v0.6.0

What's Changed

• allow full sem. body in <picture>, add <tabular> for chart tables by @vagenas in #90
  • BREAKING CHANGE: chart-specific element body preamble shape changed from <table> -> <src> to <src> -> <tabular>
• improve spec export, minor test renaming by @vagenas in #91
• prepare release v0.6.0 by @vagenas in #92

Full Changelog: v0.5.0...v0.6.0