For version-1.0:
  * "Candidates" label like scim-anthy
  * Preference to set number of candidates in a page.
  * SKIM support.
  * Fill README
  * Document for help.
  * PRIME protocol document to renewal http://taiyaki.org/prime/protocol.html.
  * (Wide latin mode).

Other:
  * Cooperate with handwriting pad.
  * Cooperate with applications such as kazehakase.
