Minor edit to fix a minor bug in modelPDB.py (tried to cat a file that didn't exist when debug was on for the missing atoms function). 
Minor edit to fix a minor bug in modelPDB.py (tried to cat a file that didn't exist when debug was on for the missing atoms function). 


ctk3b/InterMol,shirtsgroup/InterMol,mrshirts/InterMol,mrshirts/InterMol,ctk3b/InterMol,shirtsgroup/InterMol