Move source code into src.
Restruct source.
resctrut file.
Merge branch 'feature/composer_autoload' into develop

* feature/composer_autoload:
  resctrut file.
  Restruct source.
  Move source code into src.
Merge branch 'release/0.1'

* release/0.1:
  resctrut file.
  Restruct source.
  Move source code into src.