Revision history for Perl extension cog.

0.01  - original version; created around Dec 2004.
        This version didnt work very well!
0.02  - Jan 2004. Moving towards an object oriented 
        approach. Trepanning. 

0.05  - Stacking, Bosses, Graham Escapement. 
        Better documentation. Better distribution.
	
0.06  - Rename module to CNC::Cog and CNC::Cog::Gdcode
        and CNC::Cog::Gcode

