Move String's utilities to utils
Move Renderer config to a separate file
Add File.write_file @ utils
Add Dir.ensure_dirs instead of using SH
Doc for File.write_file
Add TODO -> write doc
Use FileUtils.remove_paths instead of sh
Add FileUtils.remove_paths
Reformat Dir.ensure_dirs
Note @ write doc @ TODO
Refactor -> put dirs into SOURCE_DIRS
Reformat coding style
Add write doc @ TODO
Using Ruby to remove HTML instead of sh