v0.2.1

New features

• Support loading external JS and CSS files to DOM.

Fixes and helpers

• Allow getting multiple values in a chain: v.Get("a", "b", "c").
• Expose Call on the package level.
• Allow any value in Set (similar to Call).
• Special case for getting Object and Array classes.
• Add build tags to webrtc package.
• Element constructors can be called on the package level.
• Exposed head element.