Small fix for VerseRef.IsParseable to prevent null-ref exception (#826)
Small fix for VerseRef.IsParseable to prevent null-ref exception (#826)


gmartin7/libpalaso,sillsdev/libpalaso,ermshiperete/libpalaso,sillsdev/libpalaso,gmartin7/libpalaso,gmartin7/libpalaso,ermshiperete/libpalaso,sillsdev/libpalaso,sillsdev/libpalaso,ermshiperete/libpalaso,ermshiperete/libpalaso,gmartin7/libpalaso