PACKAGE_VERSION=7.50;SANS_RED_VERSION=5.20;SANS_ANA_VERSION=4.10;USANS_RED_VERSION=2.3;

Only the first line of the file is read in.
Igor will use the NumberByKey operation to get the 
version number from the string

These are the current versions as of:
30 MAY 2013 SRK

These version numbers are out-of-date as of March 2020