Execution example::

  tokenize TokenDelimit "りんご 林檎"   --token_filters 'TokenFilterNFKC100("unify_kana", true)'
  # [
  #   [
  #     0,
  #     1545901725.412921,
  #     0.0003237724304199219
  #   ],
  #   [
  #     {
  #       "value": "りんご",
  #       "position": 0,
  #       "force_prefix": false,
  #       "force_prefix_search": false
  #     },
  #     {
  #       "value": "林檎",
  #       "position": 1,
  #       "force_prefix": false,
  #       "force_prefix_search": false
  #     }
  #   ]
  # ]
