Add specs for navigator.hasNext() and hasPrev()
Add specs for navigator.hasNext() and hasPrev()

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