Function: clone
Class: gp2c
Description: 
 (small):small:parens		$1
 (int):int			gclone($1)
 (real):real			gclone($1)
 (mp):mp			gclone($1)
 (vecsmall):vecsmall		gclone($1)
 (vec):vec			gclone($1)
 (pol):pol			gclone($1)
 (gen):gen			gclone($1)

