== 03-07-2009 * big change: removed the 2nd param for concat, rails no longer requires the binding be passed. * added a helper for creating accordions == 09-04-2008 * big change: renamed classes, and helper 'tabs_for' now requires a block == 08-28-2008 * added the ability to call TabsRenderer.new with a block parameter == 06-22-2008 initial import * TabsRenderer added