Zepto 0.7

• add $.each, $.map, $.slice;
• add .serializeArray(), .serialize();
• add .triggerHandler();
• add .wrap, .wrapAll, .unwrap, .width/height setters, .append (and
  friends) improvements;
• add "longTap" event;
• .anim() accepts CSS transform properties;
• return false in event handlers cancels browser event behavior.