Convert Japanese Kana
$ convertKana -h <kana string>
#result: hiragana string
$ convertKana -k <kana string>
#result: katakana string
$ convertKana --half <kana string>
#result: halfkana string
import convertKana
let str = "<kana string>"
let
hiragana = str.convert(ktHiragana)
katakana = str.convert(ktKatakana)
halfkana = str.convert(ktHalfKana)