Added fall-through methods for multiple objects drawing functions.
Added fall-through methods for multiple objects drawing functions.

For example the default method for medium-draw-points* simply calls
medium-draw-point* for each point.  An important thing to take care of
is to not apply medium-transformation twice.

onixie/mcclim,onixie/mcclim,slyrus/mcclim,onixie/mcclim,antifuchs/mcclim,swflint/McCLIM,slyrus/mcclim,swflint/McCLIM,swflint/McCLIM,antifuchs/mcclim