applied nibbles fixes, slightly modified

dwm.c

@@ -267,7 +267,7 @@ arrange(void) {
 				XMoveResizeWindow(dpy, c->win, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw);
 				c->ismoved = True;
 			}
-			else if(!lt->arrange || c->isfloating)
+			else if(!lt->arrange || ismax || c->isfloating)
 				resize(c, c->x, c->y, c->w, c->h, True);
 			c->isbanned = False;
 		}
@@ -1719,7 +1719,7 @@ void
 zoom(const void *arg) {
 	Client *c = sel;
 
-	if(!lt->arrange || sel->isfloating)
+	if(ismax || !lt->arrange || (sel && sel->isfloating))
 		return;
 	if(c == nexttiled(clients))
 		if(!c || !(c = nexttiled(c->next)))