Make configurator.shallowMerge() more flexible
Make configurator.shallowMerge() more flexible

latin-language-toolkit/arethusa,latin-language-toolkit/arethusa,fbaumgardt/arethusa,fbaumgardt/arethusa,PonteIneptique/arethusa,alpheios-project/arethusa,Masoumeh/arethusa,Masoumeh/arethusa,alpheios-project/arethusa,PonteIneptique/arethusa,alpheios-project/arethusa,fbaumgardt/arethusa