Return a dict with actual header and user GO IDs as keys and their sections as values.

def get_go2sectiontxt(self):
        """Return a dict with actual header and user GO IDs as keys and their sections as values."""
        go2txt = {}
        _get_secs = self.hdrobj.get_sections
        hdrgo2sectxt = {h:" ".join(_get_secs(h)) for h in self.get_hdrgos()}
        usrgo2hdrgo = self.get_usrgo2hdrgo()
        for goid, ntgo in self.go2nt.items():
            hdrgo = ntgo.GO if ntgo.is_hdrgo else usrgo2hdrgo[ntgo.GO]
            go2txt[goid] = hdrgo2sectxt[hdrgo]
        return go2txt