Changed parser to handle splitted global files
Changed parser to handle splitted global files

Changed findGlobalsBySourceV2 routine in CallerGraphParser.py to only read
the very first splitted global files if any.

Change-Id: If6d43c8f68159a040b71be47486fd2009fe7e87b

OSEHRA/VistA,josephsnyder/VistA,OSEHRA/VistA,timmvt/VistA_tt,josephsnyder/VistA,jasonli2000/VistA,josephsnyder/VistA,OSEHRA/VistA,mdgeek/VistA-FHIR-CWF,OSEHRA/VistA,OSEHRA/VistA,OSEHRA-Sandbox/VistA,timmvt/VistA_tt,apexdatasolutions/VistA,shabiel/VistA,timmvt/VistA_tt,mdgeek/VistA-FHIR-CWF,jasonli2000/VistA,apexdatasolutions/VistA,josephsnyder/VistA,shabiel/VistA,mdgeek/VistA-FHIR-CWF,shabiel/VistA,OSEHRA-Sandbox/VistA,apexdatasolutions/VistA,OSEHRA-Sandbox/VistA,shabiel/VistA,OSEHRA-Sandbox/VistA,OSEHRA-Sandbox/VistA,OSEHRA-Sandbox/VistA,shabiel/VistA,timmvt/VistA_tt,mdgeek/VistA-FHIR-CWF,shabiel/VistA,jasonli2000/VistA,mdgeek/VistA-FHIR-CWF,mdgeek/VistA-FHIR-CWF,timmvt/VistA_tt,apexdatasolutions/VistA,josephsnyder/VistA,josephsnyder/VistA,OSEHRA/VistA,jasonli2000/VistA,apexdatasolutions/VistA