Execution example::

  tokenize 'TokenMecab("target_class", "-名詞/非自立", "target_class", "-名詞/接尾/人名", "target_class", "名詞", "include_reading", true)' '彼の名前は山田さんのはずです。'
  # [
  #   [
  #     0, 
  #     1337566253.89858, 
  #     0.000355720520019531
  #   ], 
  #   [
  #     {
  #       "force_prefix_search": false, 
  #       "position": 0, 
  #       "force_prefix": false, 
  #       "value": "彼", 
  #       "metadata": {
  #         "reading": "カレ"
  #       }
  #     }, 
  #     {
  #       "force_prefix_search": false, 
  #       "position": 1, 
  #       "force_prefix": false, 
  #       "value": "名前", 
  #       "metadata": {
  #         "reading": "ナマエ"
  #       }
  #     }, 
  #     {
  #       "force_prefix_search": false, 
  #       "position": 2, 
  #       "force_prefix": false, 
  #       "value": "山田", 
  #       "metadata": {
  #         "reading": "ヤマダ"
  #       }
  #     }
  #   ]
  # ]
  normalize   'NormalizerNFKC121("unify_to_romaji", true)'   "カレ"   WITH_TYPES
  # [
  #   [
  #     0, 
  #     1337566253.89858, 
  #     0.000355720520019531
  #   ], 
  #   {
  #     "normalized": "kare", 
  #     "types": [
  #       "alpha", 
  #       "alpha", 
  #       "alpha", 
  #       "alpha"
  #     ], 
  #     "checks": []
  #   }
  # ]
  normalize   'NormalizerNFKC121("unify_to_romaji", true)'   "ナマエ"   WITH_TYPES
  # [
  #   [
  #     0, 
  #     1337566253.89858, 
  #     0.000355720520019531
  #   ], 
  #   {
  #     "normalized": "namae", 
  #     "types": [
  #       "alpha", 
  #       "alpha", 
  #       "alpha", 
  #       "alpha", 
  #       "alpha"
  #     ], 
  #     "checks": []
  #   }
  # ]
  normalize   'NormalizerNFKC121("unify_to_romaji", true)'   "ヤマダ"   WITH_TYPES
  # [
  #   [
  #     0, 
  #     1337566253.89858, 
  #     0.000355720520019531
  #   ], 
  #   {
  #     "normalized": "yamada", 
  #     "types": [
  #       "alpha", 
  #       "alpha", 
  #       "alpha", 
  #       "alpha", 
  #       "alpha", 
  #       "alpha"
  #     ], 
  #     "checks": []
  #   }
  # ]
