Saves clues to the specified directory. If it doesn't exist, it will be created.
For being portable, clues are stored in text files contained in a special directory layout. The following is an example of the generated file hierarchy:
http___www_target_company_com/ http___www_target_company_com/x_x_x_1.clu http___www_target_company_com/x_x_x_2.clu