now allowing terminated calls/conversations to be terminated without raising an exception
specifying cassette name in spec
Merge branch 'bug/terminate_call_error_66795710'

Conflicts:
	spec/fixtures/vcr_cassettes/Reloading_the_widget_during_a_call/_create/during_a_call/after_a_failed_transfer/pushes_the_event_for_the_active_call.yml
bumped version