Tests: add some unit tests for ccData class
Tests: add some unit tests for ccData class

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