0.2.0

Warn: Breaking changes

Changes

• re-wrote gxi macro
• if for execution blocks now require a comma separation
• reduced if code size
• performance increase
• drastically decreased code size by moving implementations from macro
  to trait functions
• InitType no longer maintains a pure_index
• Reduced effective use of Pure component
• State Block is passed by gxi! macro instead of macro_impl
• new pub keyword for state and component
• setter methods using pub keyword before state fields
• Component Visual Scoping using Visual keywords like pub, pub(crate)
• async keyword moved from update block to component block
• Window Body are now widget_components
• the root of the tree can have only one component