Tests: add some unit tests for parser.utils module
Tests: add some unit tests for parser.utils module

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