Start PR.
Merge branch 'v0.1' into doctrine

* v0.1:
  Create README.md
Use at_array_item() to access child item with dotery string.
Test DB Connection.
Merge branch 'v0.1' into doctrine

* v0.1:
  Add Procfile.
  Add .htaccess file.
Rename test case.
Add entity manager.
Doctrine CLI.
More entity manager's default options.
Make metadata driver confiugrable.
Add doc.
Merge branch 'v0.1' into doctrine

* v0.1:
  Doc for config.
Merge branch 'v0.1' into doctrine

* v0.1:
  Doc for routing.
Merge pull request #1 from v3kwip/doctrine

Doctrine