Q-Chem: Python 2/3 division bug
Q-Chem: Python 2/3 division bug

Also move the fragment headers to the object instance level to avoid
any speed problems.

ghutchis/cclib,Schamnad/cclib,cclib/cclib,berquist/cclib,cclib/cclib,gaursagar/cclib,berquist/cclib,langner/cclib,gaursagar/cclib,ghutchis/cclib,langner/cclib,langner/cclib,cclib/cclib,ATenderholt/cclib,berquist/cclib,ATenderholt/cclib,Schamnad/cclib