+- tree2html/
  |
  +- 01/
  | |
  | +- tree2html_0.1.tar.gz
  | |
  | +- tree2html_0.1.zip
  | |
  | +- tree2html_0.1_win32.zip
  |
  +- 02/
  | |
  | +- tree2html_0.2.tar.gz
  | |
  | +- tree2html_0.2.zip
  | |
  | +- tree2html_0.2_win32.zip
  |
  +- 03/
  | |
  | +- tree2html_03.tar.gz
  | |
  | +- tree2html_03.zip
  | |
  | +- tree2html_03_win32.zip
  |
  +- 04/
    |
    +- tree2html_04.tar.gz
    |
    +- tree2html_04.zip
    |
    +- tree2html_04_win32.zip