Minor fixes in morph service
Minor fixes in morph service

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