0.07 (beta release)
  - route create by AutoRoute plugin don't overwrite user defined route.
0.06 (beta release)
  - fixed top_dir option bug
0.05 (beta release)
  - added Not found logic
  - added top_dir option
0.04 (beta release)
  - much simplify logic.
0.03 (beta release)
  - detect not found page.
0.02 (beta release)
  - simplified route logic, not backword compatible.
0.01 (beta release)
  - first beta release.