v2.0 for Windows
- status messages implemented
- "About"-window implemented
- HTML-Index considered HTML files in which the title tag doesn't occur within
  the leading 400 characters as untitled. This bug has been fixed.

v2.0b for Windows
- Windows version of HTML-Index
- index entries are sorted by filename
- status messages are not implemented completely

v1.01
- If an index file already existed in target directory, HTML-Index sometimes
  caused a runtime error. This bug has been fixed now.

v1.0
- first version of HTML-Index
- this version just creates an index file of html files in a specific
  directory
