Minor refactoring in QubitXmlImport class taxonomy term lookups.
Minor refactoring in QubitXmlImport class taxonomy term lookups.

artefactual/binder,artefactual/atom,kyfr59/atom-cg35,artefactual/atom,Surfrdan/atom,CENDARI/atom,kyfr59/atom-cg35,CENDARI/atom,kyfr59/atom-cg35,artefactual/binder,CENDARI/atom,artefactual/binder,artefactual/atom,Surfrdan/atom,Surfrdan/atom,artefactual/binder