Changes from 0.2 to 0.3:

    - initial attempt at portability to Win32.
    - bugfixes from Stan Tobias:
        * memory corruption error with caching system
        * case insensitivity, to match with the Windows semantics
    - modification to chm_http by Stan Tobias:
        * when the user requests the page '/', they get a page with links to
          all of the files in the archive
    - Andrew Hodgetts has ported the library to Solaris and Irix.  See README for details.
    - Stuart Caie has granted permission to relicense under the LGPL.