Support Top-Level Application call via a LabVIEW Proxy Caller
Adds support for calling the top-level application via a LabVIEW "Proxy Caller" which might happen when calling the code from Teststand
DetermineProgramVerion.vi Walks down the callstack to find the first valid (i.e non-Proxy) VI to check for version info.
Edited by John Medland