* shared lib.

	* integrate Make mechanisms of flower & lily

	* disable this auto conv: const pointer -> bool -> string

	* PointerVec ?

	* PCursor -> Pointer_cursor / PointerCursor ?

	* efficient copy cons for List

	* extend Interval

	* use template handle in handle.hh for strings.

	* move towards gnu or STL?

		parsestream.h
		vector.h