Add method to null object
Add method to null object

This will catch a problem in the languages route.

k4rtik/exercism.io,jtigger/exercism.io,Tonkpils/exercism.io,tejasbubane/exercism.io,treiff/exercism.io,RaptorRCX/exercism.io,nathanbwright/exercism.io,Tonkpils/exercism.io,copiousfreetime/exercism.io,treiff/exercism.io,Tonkpils/exercism.io,sheekap/exercism.io,treiff/exercism.io,bmulvihill/exercism.io,mhelmetag/exercism.io,copiousfreetime/exercism.io,IanDCarroll/exercism.io,k4rtik/exercism.io,jtigger/exercism.io,nathanbwright/exercism.io,Tonkpils/exercism.io,sheekap/exercism.io,tejasbubane/exercism.io,mhelmetag/exercism.io,IanDCarroll/exercism.io,nathanbwright/exercism.io,copiousfreetime/exercism.io,jtigger/exercism.io,mhelmetag/exercism.io,RaptorRCX/exercism.io,copiousfreetime/exercism.io,tejasbubane/exercism.io,jtigger/exercism.io,bmulvihill/exercism.io,IanDCarroll/exercism.io,sheekap/exercism.io,RaptorRCX/exercism.io,IanDCarroll/exercism.io,mhelmetag/exercism.io,k4rtik/exercism.io,sheekap/exercism.io,bmulvihill/exercism.io,nathanbwright/exercism.io,bmulvihill/exercism.io,RaptorRCX/exercism.io,tejasbubane/exercism.io,treiff/exercism.io