20-VI-06: cgn 007
- Added print-graphic, to print directly from cgn.
- Modified plot-function. Now can be used to plot g(x,y), not
- Added save-cgn, to save.
- Added load-cgn, to load.
- Added with-gnuplot, a macro which should be the prefered way
to use cgn.
- Added the *os* special variable, to use with with-gnuplot to let cgn
know which os is running. This is used to print, at the moment.
- Updated cldoc documentation.