* bump minor version
* expose RDoc::Options#pipe
* implement RDoc::Rouge::Renderer::new
* move RDoc::Rouge::Renderer::render to ::parse
* Add test for options with pipe

You need to initialize Renderer before using it now.
* Implement RDoc::Rouge::TOC, buildsr only  HTML Table of Contents
* Add spec for toc

Use by RDoc::Rouge::Renderer.new(:toc => true).parse("# markdown")
add doc in readme for toc