RobertB4

I noticed that half-width katakana are not supported. Is there any plan to add support for them? ``` console.log(Kuroshiro.Util.isKatakana('カタカナ')) // true console.log(Kuroshiro.Util.isKatakana('ｶﾀｶﾅ')) // false ``` I guess it's not a...