Gust translation checker

canonical_language = Zephyr::TranslationChecker.new(:en)
foreign_language = Zephyr::TranslationChecker.new(:fr)

Get any orphaned translations from the 'fr' language

comparison = foreign_language.compare_with(canonical_language)
comparison[:orphaned_interpolations]

Get any keys missing from the 'fr' language

foreign_langauge.missing_keys(canonical_language)