V0.3

fixes #15 (closed), #23 (closed), #25 (closed)

Changelog

Major:

• Replaced internal 3D representation with a numpy-stl mesh object (#15 (closed))
• Consolidated / cleaned up makeOutput structure (#23 (closed)):
  • Decorater to create appropriate handlers
  • Split file generation outputs from live visualizations
  • Live visualizations should all return Dash widgets
• Fixed buggy port / connections handling

Minor:

• Split out component diagram from Component code into composable (#25 (closed))
• Updated some CLI functionality
• Removed lots of old / crufty / redundant code
• Cleaned up logging