fixing subtle bug where heapsize was set wrong at some points
fixing subtle bug where heapsize was set wrong at some points



dcurrie/femtolisp,dcurrie/femtolisp,dcurrie/femtolisp,MikeBeller/femtolisp,MikeBeller/femtolisp,KDr2/femtolisp,KDr2/femtolisp,KDr2/femtolisp,MikeBeller/femtolisp,MikeBeller/femtolisp