docs: def importfile(filename):
      """
      Imports a module specifically from a file.
      
      :param      filename | <str>
      
      :return     <module> || None
      """
      pkg = packageFromPath(filename, includeModule=True)
      root = packageRootPath(filename)
  
      if root not in sys.path:
          sys.path.insert(0, root)
  
      __import__(pkg)
      return sys.modules[pkg]