/* gh_append() takes a args, which is a list of lists, and appends
them all together into a single list, which is returned. This is
equivalent to the Scheme procedure (append list1 list2 ...) */
/* gh_append() takes a args, which is a list of lists, and appends
them all together into a single list, which is returned. This is
equivalent to the Scheme procedure (append list1 list2 ...) */