Post-release tasks for glvis-4.1

[tzanio]

Post-Release Tasks

• Update website Website + Documentation updates for glvis-4.1 web#8
• Release a signed version of the Mac app?
• Post Mac and Windows binaries on website?

Postponed

• Merge Refactoring to remove global state #170
• Resolve Disappearing viz pyglvis#7
• See also Future Improvements 🚀 #133

[tzanio]

These have now been incorporated in #133