v0.8.9

Features

• Add custom event nodes
• Add event nodes feature

Bug Fix

• Fix removed event listener when sketch container was removed
• Fix dynamic port marker on internal interface
• Fix type assigned on variable node
• Force output port that use union to be Any type
• Move port type re-assigment for output port
• Improve output port's type when using port feature
• Update error message and remove unused event emit
• Validate namespace name
• Validate port name