BindingContextMutable added
updateContext_ex methods added
bind_impl is called after properties
bind_impl for events
bind_impl for moments
bind_impl for observables
_processing_ex is set to False at exiting
adding missing bind_ex methods
_processing_ex, _bound_ex, _ctx_ex fields are accessed via __dict__
now all bind_ex methods are called before bind methods
bug fixing
updating server