refactoring kernel_example, at same time learning it
refactoring kernel_example, at same time learning it

dftlibs/xcfun,robertodr/xcfun,dftlibs/xcfun,bast/xcfun,dftlibs/xcfun,dftlibs/xcfun,robertodr/xcfun,robertodr/xcfun,bast/xcfun,bast/xcfun,robertodr/xcfun,bast/xcfun