15.0.8 `glib_putpixel'
----------------------

glib_putpixel(X,Y)
     :   It puts a pixel at [X,Y] with COLOR

glib_putpixel(X,Y | COLOR=key0)
     : This function allows optional variables   COLOR
Example:
      glib_putpixel(1,2 | color=0xffff00);

