Added test cases for default conversion during UpdateSource and UpdateTarget #2
Added firing events on source and target update
Refactoring
Moved WeakMaps to static storage
Before removing target from constructor
Removed Target from BindingExpression constructor
Moved all constants into separate file
Added verification for error conditions
Added condition for PathError for source
Fixed all the tests to run with new API
Added async tests
Refactoring
Removed redundant WeakMap
Working on metadata
Added test cases for object metadata
Added metadata constants for html attributes
Done with first cut of metadata system
cleaning up
Refactoring
Added test targets