Gaussian: refactor and relocate parsing of gbasis (see cclib/cclib#110)
Gaussian: refactor and relocate parsing of gbasis (see cclib/cclib#110)

andersx/cclib,gaursagar/cclib,ATenderholt/cclib,langner/cclib,Schamnad/cclib,jchodera/cclib,ATenderholt/cclib,andersx/cclib,ben-albrecht/cclib,cclib/cclib,Schamnad/cclib,Clyde-fare/cclib,jchodera/cclib,berquist/cclib,ghutchis/cclib,langner/cclib,ghutchis/cclib,cclib/cclib,cclib/cclib,ben-albrecht/cclib,langner/cclib,berquist/cclib,berquist/cclib,Clyde-fare/cclib,gaursagar/cclib