Release alpha 0.4

Multi markers prototype

• Placing chain of markers (tests)
  
• Editing nodes
  
• Adding node in between
  AI prototype
  
• Implement simple defect detection
  

Docs

• Scroll pages
  
• Scroll docs
  
• Multiple page formats
  

• Occassianally not creating marker
  
• Occassianally creating markers
  
• Doc revealing all pages the same