Return jQuery instance of tab instead of id
Return jQuery instance of tab instead of id

closes #9

elboletaire/tabbedcontent,LOK-Soft/tabbedcontent,elboletaire/tabbedcontent,elboletaire/tabbedcontent,LOK-Soft/tabbedcontent,LOK-Soft/tabbedcontent,wangliming/tabbedcontent,wangliming/tabbedcontent