adding exit code info to the README (Issue #2)
adding exit code info to the README (Issue #2)

omeripek/iniscan,shaunstanislaus/iniscan,mgrajcarek/iniscan,mgrajcarek/iniscan,omeripek/iniscan,silvere27/iniscan,jmolivas/iniscan,silvere27/iniscan,gswest/iniscan,nosun/iniscan,gswest/iniscan,jmolivas/iniscan,kevinmel2000/iniscan,psecio/iniscan,nosun/iniscan,kevinmel2000/iniscan,psecio/iniscan,shaunstanislaus/iniscan