FaultException can be non-empty even in Halt state when there were
problems with stack marshaling to JSON.
Signed-off-by: Evgenii Stratonikov <fyfyrchik@runbox.com>
It can be used to work with the results of
CreateCallAndPrefetchIteratorScript() execution. The first item must be
an array and the optional second item must be an iterator, containing
remaining elements.
Signed-off-by: Evgenii Stratonikov <fyfyrchik@runbox.com>
C# servers with SessionEnabled=false will return iterator IDs and no session
IDs which can be reported as an error immediately because the iterator can't
be traversed.
