rename variables, make xcfun ready to be plugged in somewhere
rename variables, make xcfun ready to be plugged in somewhere

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