1.6.2
* Fixed one small packaging bug
1.6
* Scheme48 is supported
* Fixed Chicken packaging problems
* Documentation cleanup
1.5
* Packaging: now available as R7RS module for some implementations;
  included instructions on how to load, with and without R7RS
* Manual in Markdown; translated into HTML, txt and PDF
* Now available as Chicken Egg
1.4
* Minor changes to the manual and README
* Fixing licence headers
1.3
* Compatibility with STklos
1.2
* Fixed compatibility with MIT, SISC, and Gambit, while also
  cleaning up the code that does implementation-specific stuff.
1.1
* Initial release