Overview of Changes from libtomoe-0.4.0 to libtomoe-0.5.0
==============================================================
* New modulized dictionaries:
  - Hyper Estraier
  - Unihan database
  - MySQL
* Add radicals and variant element into dict.dtd.

Overview of Changes from libtomoe-0.3.0 to libtomoe-0.4.0
==============================================================
* Shortening startup time.
* Modularization handwriting recognizer and dictionary loader.
* Reconstruct and GObjectize all API.
* Release from libxml.
* Ruby binding.
* Test suite based on Ruby binding.
