docs: def close():
      """..."""
      os.chdir(os.path.expanduser('~'))
      project = cauldron.project.internal_project
      if not project:
          return False
  
      [remove_library_path(path) for path in project.library_directories]
      remove_library_path(project.source_directory)
  
      cauldron.project.unload()
      return True