25-2-2003 v0.05
- First documentation.

3-2-2003 v0.04
- Change of name from htk to pgk (perk gimp kit).


31-1-2003: v0.03
- Some enhancements.

23-1-2003: v0.02 
- UNIX support in Makefile.PL, make difference between Win32 and UNIX

23-1-2003: v0.01